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What is a neutrino anyway? A look at the science behind this year's Nobel Prize in Physics
If you wanted a Nobel Prize, you would do well to study neutrinos. To date, the Nobel Prize in Physics has been awarded five times to research related to neutrino detection and discovery. This year, Francis ...
How neutrinos, which barely exist, just ran off with a Nobel Prize
On Oct. 6, the 2026 Nobel Prize in Physics was awarded to Francis Halzen (University of Wisconsin) “for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.” What’s all this about?I have known Francis — as an inspiration, mentor and friend — for over 35 years. T...
Latest Wisconsin Nobel Prize winner shares how scientific collaboration enabled cosmic discoveries
Francis Halzen was awarded the Nobel Prize for his work pioneering neutrino astronomy.
Trillions Of Particles Pass Through You Every Second. What They Are
Neutrinos have always fascinated scientists as they pass through everything that's there on the plant, like Marvel's fictional character Juggernaut (though not like a wrecking ball).
A Nobel Prize for IceCube: Drexel Physicists Reflect on the Science and What Comes Next
The 2026 Nobel Prize in Physics recognized Francis Halzen for his work on the IceCube Neutrino Observatory. Naoko Kurahashi Neilson, PhD, a professor in Drexel University’s College of Arts and Scie…
Nobel Prize in physics awarded to Francis Halzen for groundbreaking neutrino research
The Royal Swedish Academy of Sciences has awarded the 2026 Nobel Prize in physics to Francis Halzen of the University of Wisconsin–Madison.
Marquette professor collaborates on Antarctic research honored with 2026 Nobel Prize
Dr. Karen Andeen conducted neutrino research in a Nobel Prize-winning laboratory located at the South Pole.
Nobel prize in physics 2026: high energy cosmic neutrinos
Second up for the 2026 Nobel Prizes was the award for physics. And this year it went to just one scientist, Francis Halzen. The Belgian physicist won the prize based on his work on the IceCube detector that observes ghostly particles called neutrinos. Science editor Ian Sample tells host Madeleine Finlay how Halzen came up with the brilliant idea to use sensors buried in the ice to detect these extraterrestrial particles.
Francis Halzen wins Nobel Prize in physics for work on ghost particles
The Nobel Committee praised his work at the IceCube Neutrino Observatory in Antarctica, where he began studying neutrinos in the 1980s
Francis Halzen wins Nobel Prize in physics for work on ghost particles
The Nobel Committee praised his work at the IceCube Neutrino Observatory in Antarctica, where he began studying neutrinos in the 1980s
Francis Halzen wins Nobel Prize in physics for work on high-energy neutrinos from space
The 82-year-old scientist, originally from Belgium, is affiliated with the University of Wisconsin–Madison. His research into capturing neutrinos at the South Pole dates back to the 1980s.
Nobel prize in physics goes to Francis Halzen for south pole work on neutrinos
Belgian physicist praised for work on the IceCube detector that observes the ghost-like particles in Antarctica
Nobel Prize in physics awarded to Francis Halzen for his work detecting cosmic particles
The 2026 Nobel Prize in physics has been awarded to Francis Halzen for his “decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.”
Francis Halzen wins 2026 Nobel Prize in Physics
Belgian-American Particle physicist Francis Halzen won the 2026 Nobel Prize in Physics for "decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin", the award-giving body said on Tuesday.
Nobel Prize in Physics 2026
The Nobel Prize in Physics 2026 was awarded to Francis Halzen “for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin.”
Yale physicist will use Moore Foundation award to expand tabletop neutrino research
David Moore, associate professor of physics, has been named a Gordon and Betty Moore Foundation Experimental Physics Investigator.
Scattering neutrinos to probe the fundamental laws of the universe
As part of Ricochet, an international collaboration that studies neutrinos, MIT PhD student Faith Reyes progressed from learning the basics of the experiment to helping guide the work of other scientists.
How an MIT graduate student helped a team of young scientists test their experiment at CERN
MIT physics graduate student Manu Srivastava helped six high school students in India develop an experiment that could contribute to one of the world’s largest neutrino experiments at CERN.
Inside the Experimental Traps Scientists Set for Ghostly Neutrinos
Observatories have been built in mines, deep under the Antarctic ice sheet, and elsewhere in an effort to detect the fleeting particles.
Scientists detect a nuclear reactor’s ghostly afterglow for the first time
Nuclear reactors may go dark, but their fuel continues producing a faint antineutrino “glow” long after shutdown. Researchers have now detected that residual signal for the first time, finding it closely matched predictions of radioactive decay inside the reactor and nearby spent-fuel pools. The breakthrough suggests antineutrino detectors could eventually monitor reactors even when they are offline.
The Science Happening at the Sanford Underground Research Facility
Welcome to the Sanford Underground Research Facility (SURF) in Lead, South Dakota—America’s deepest underground laboratory.
Neutrino Day draws crowds to Lead for free science festival
The Sanford Underground Research Facility and partner organizations hosted the 18th annual Neutrino Day in Lead on Saturday, offering free, hands-on science activities and talks to people of all ages.
18th annual Neutrino Day brings free science activities and researchers to Lead
10 PM KOTA Territory News - Saturday
Neutrino Day combines science and fun for families
The event returned for its 18th year with various activities and speaker sessions for the public
Neutrino Day returns to Lead Saturday with free science festival
The Sanford Underground Research Facility will host the 18th annual Neutrino Day on Saturday, July 11, a free, citywide science festival open to all ages.
‘Science Steve’ returns to Neutrino Day in comeback season
LEAD — Steve Rokusek got his start as “Science Steve” in 2008, on stage in Lead, before the Sanford Underground Research Facility started its annual Neutrino Day science festival.
You’re Always Surrounded by Neutrinos!
This second, as you’re reading these words, trillions of tiny particles are hurtling toward you! No, you don’t need to brace yourself. They’re passing through
Fermilab marks 70 years of neutrino science and leads next-generation experiment
As Fermilab commemorates 70 years since the discovery of the neutrino at the Savannah River Site in the United States, the lab also celebrates its multiple generations of pioneering neutrino research. Today, Fermilab is building the next era of neutrino discovery through the development of the world-leading Deep Underground Neutrino Experiment.
Astronomers trace a ghostly cosmic particle to distant ‘Shadow Blaster’ galaxy
Scientists still don’t know where ghostly particles called neutrinos originate. A distant galaxy could be a potential source.
Scientists expected a black hole but found a neutrino factory powered by stars
A distant galaxy nicknamed Shadow Blaster may have revealed a surprising source of cosmic neutrinos: extreme star formation instead of a supermassive black hole. The discovery suggests that hidden, dust-filled starburst galaxies could account for a significant fraction of the Universe’s high-energy neutrinos.
Ask me anything: Mary Bishai – ‘For a self-professed nerd like me, doing big science is heaven’
Mary Bishai is an experimental neutrino physicist at Brookhaven National Laboratory in the US
An underground detector in China unveils its first major findings about mysterious ghost particles
A massive underground detector aimed at understanding the mysterious ghost particles in our universe has released its first major findings.
Scientists may have found the source of the most powerful neutrino ever detected
A mysterious particle from deep space has scientists buzzing after the most energetic neutrino ever detected slammed through the Mediterranean Sea. Now, researchers think they may have identified the cosmic “culprits” behind it: blazars — supermassive black holes blasting jets of matter straight toward Earth.
Neutrino detector could help scientists unlock Big Bang mysteries
A snappy new device is looking for the most abundant, yet elusive particles in the universe.
Steel beams headed underground in SD for ‘largest science experiment ever attempted on U.S. soil’
Crews are taking the next step for the Deep Underground Neutrino Experiment within a former gold mine at Lead.
The National Academy of Sciences Elects Two Berkeley Lab Researchers
Two Lawrence Berkeley National Laboratory (Berkeley Lab) scientists have been elected to the National Academy of Sciences (NAS) in recognition of their distinguished and continuing achievements in original research. They are part of a cohort of 120 new members and 25 international members. The National Academy of Sciences is a private, nonprofit institution that was established under a congressional charter signed by President Abraham Lincoln in 1863. It recognizes achievement in science by election to membership, and — alongside the National Academy of Engineering and the National Academy of Medicine — provides science, engineering, and health policy advice to the federal government and other organizations. The 2026 electees bring the total number of active members to 2,705 with 557 international members. Gary Karpen is a biologist senior faculty scientist in Berkeley Lab’s Biological Systems and Engineering Division and a Professor of Cell and Developmental Physiology in the Department of Molecular and Cell Biology at UC Berkeley. Karpen studies how the structure, organization, and maintenance of genetic material impact inheritance and cell function. His lab focuses on chromatin — a packaged form of DNA strands wrapped around proteins that comprises our chromosomes — with a particular emphasis on centromeres, rarely expressed sequences called heterochromatin, DNA repair, and regulatory RNAs. His research reveals insights into fundamental aspects of nuclear organization and genome regulation that are shared across the tree of life, broadening our understanding of cancer and other diseases, birth defects, and aging. Kam-Biu Luk is a Professor Emeritus of physics at UC Berkeley and a retired senior faculty scientist in Berkeley Lab’s Physics Division. He is an experimental particle physicist whose research has focused on neutrinos: nearly massless, electrically neutral elementary particles that can pass through matter virtually undetected. Neutrinos are created during radioactive decay processes, including the fusion process occurring in stars and the fission process that powers nuclear reactors. Luk initiated and co-led the Daya Bay Reactor Neutrino Experiment, a project based in China with more than 200 international collaborators. In 2012, the Daya Bay experiment discovered a new form of a phenomenon called “neutrino oscillation” in which neutrinos change from one type to another. For this discovery, Luk and his collaborator Yifan Wang received the 2014 American Physical Society Division of Particles and Fields W.K.H. Panofsky Prize for outstanding work in experimental particle physics, and he was also the co-recipient of the 2016 Breakthrough Prize. Luk is currently participating in the Deep Underground Neutrino Experiment (DUNE) hosted by Fermi National Accelerator Laboratory, which will investigate any potential difference in behavior between neutrinos and antineutrinos that may shed light on the evolution of the universe, especially why antimatter is absent in the present universe. ### Lawrence Berkeley National Laboratory (Berkeley Lab) is committed to groundbreaking research focused on discovery science and solutions for abundant and reliable energy supplies. The lab’s expertise spans materials, chemistry, physics, biology, earth and environmental science, mathematics, and computing. Researchers from around the world rely on the lab’s world-class scientific facilities for their own pioneering research. Founded in 1931 on the belief that the biggest problems are best addressed by teams, Berkeley Lab and its scientists have been recognized with 17 Nobel Prizes. Berkeley Lab is a multiprogram national laboratory managed by the University of California for the U.S. Department of Energy’s Office of Science. DOE’s Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit energy.gov/science.
ICARUS experiment marks major milestone in first neutrino science results
The milestone by ICARUS paves the way to probe sterile‑neutrino oscillations for the full Short-Baseline Neutrino Program at Fermilab. The first results demonstrate the data’s excellent quality and suitability for physics analyses, as well as the maturity of the software tools for event selection, fitting and detector simulation.
Did Scientists Just Detect an Exploding Black Hole?
An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon that so far exists only in theory.
Particle Breakthrough: South Dakota scientists help unlock new neutrino mystery
Scientists at South Dakota Mines help achieve the first-ever measurement of a rare neutrino interaction, advancing physics and supporting future research at SURF.
Neutrinos could explain why matter survived the Big Bang
An international team combining two major neutrino experiments has uncovered stronger evidence that neutrinos and antimatter don’t behave as perfect mirror images. That subtle difference may hold the key to why the universe didn’t vanish in a flash of self-destruction after the Big Bang.
Deep in Antarctic ice, these particles can answer basic questions about the universe
A dense network of sensors is looking for the fleeting footprints of neutrinos, the most mysterious in the pantheon of known particles.
Five Berkeley Lab Scientists Receive DOE Early Career Research Awards
Five scientists from Lawrence Berkeley National Laboratory (Berkeley Lab) have received Early Career Research Program (ECRP) awards from the Department of Energy. The ECRP program, now in its 16th year, was established to bolster the nation’s scientific workforce by supporting exceptional researchers at the outset of their careers, when many scientists do their most formative work. Recipients use the funding to pursue projects that have the potential to solve scientific challenges and advance the country’s STEM capabilities. To be eligible for the program, a researcher must be an untenured, tenure-track assistant or associate professor at a U.S. academic institution, or a full-time employee at a DOE national laboratory or Office of Science user facility, who is within 10 years of having earned their doctorate. Awards to an institution of higher education will be approximately $875,000 over five years, and awards to a DOE national laboratory or Office of Science user facility will be approximately $2,750,000 over five years. This year’s Berkeley Lab awardees and their projects are listed below: Timon Heim: Better detectors for more powerful particle colliders Timon Heim is a staff scientist in the Physics Division. His ECRP project will develop a new type of detector that can track the particles generated by collisions in particle colliders with high spatial and temporal resolution. Current detectors in use at high-energy colliders, like the ATLAS detector at the Large Hadron Collider (LHC) at CERN, can track the trajectory and measure momentum of particles, but they can’t track a particle’s time of arrival with sufficient precision to discern from which of the many particle interactions they originate. Heim’s proposed technology — called a 4D tracking detector, because it captures data about particles’ positions in space and time — aims to solve this challenge, allowing researchers to glean more precise data from collision experiments to uncover new insights into fundamental forces and potentially discover new particles. The enhanced capabilities of 4D detectors will be a necessity for experiments at future colliders, such as the Muon Collider or Future Circular Collider. The project will develop custom microelectronics that process the signal of a pixelated silicon sensor that can register charged particles passing through it in an extreme radiation environment that these colliders produce during operation. The goal is to measure individual particles’ position with 50-micro-meter spatial and 50 pico-second (one trillionth of a second) temporal precision, for an incoming flux of around 1 billion particles per second per square centimeter. Harrison Lisabeth: Studying underground processes to unleash abundant energy Harrison Lisabeth is a research scientist in the Energy Geoscience Division focused on combining real-world experiments and AI to guide development of geothermal energy systems. His project will explore how deep underground rock formations – where geothermal wells are dug – are stressed by chemical reactions of the minerals and mechanical strain from movements in the Earth. A better understanding of subsurface stresses is essential to engineer safe and reliable geothermal wells that access the heat of deep rocks to produce electricity. It is estimated that the U.S. could generate ten times the amount of energy needed to power the grid using geothermal sources. Lisabeth plans to simulate how minerals grow, dissolve, and influence the behavior of surrounding rock in geothermal reservoirs by tracking chemical changes in rock samples under pressure in the lab. The project will also develop machine learning models to predict geologic strain based on field measurements and refine existing models that describe how common rock types deform under stress. Combining these approaches, Lisabeth hopes to develop a framework to predict stress to improve stability and longevity of geothermal wells. Daniel Carney: Pushing the quantum boundaries of particle measurement Daniel Carney is a staff scientist in the Physics Division who uses quantum information science to study particle physics and gravity. At very small scales, “quantum noise” — random fluctuations from the act of measurement — can drown out faint signals from rare processes. Carney’s ECRP project, “Fundamental Physics at the Quantum Limits of Measurement,” aims to build a new mechanical quantum sensor that can measure extremely small particle interactions below the limits of that quantum noise. The approach uses lasers to hold a tiny bead containing radioactive atoms; when one decays, the system measures the bead’s motion and the energy of any particles emitted. The experiment’s initial goal is to search for heavy sterile neutrinos, hypothetical particles predicted by some extensions of the Standard Model. The system could also help measure the mass of the neutrino, study the way particles interact through the electromagnetic and weak forces, and hunt for low-mass dark matter — all unsolved mysteries in particle physics. Callum Wilkinson: Using machine learning to demystify neutrinos Callum Wilkinson is a staff scientist in the Physics Division and part of the international Deep Underground Neutrino Experiment (DUNE) hosted by Fermi National Accelerator Laboratory. DUNE will create an intense beam of neutrinos that interact in detectors in Illinois and, after an 800-mile journey through the earth, in massive detectors in South Dakota. By precisely measuring neutrinos and how they change, researchers will get a better understanding of their fundamental properties and whether they are responsible for why there is so much more matter than antimatter in our universe. Wilkinson’s ECRP project will apply two machine learning techniques to improve the analysis of DUNE’s data and enhance the experiment’s precision. One approach will look for hidden patterns in how neutrinos interact and produce low-energy particles, while the other will help correct for distortions in what the detectors record. The methods will be tested on one of DUNE’s prototype detectors and could be used in other neutrino experiments, improving their measurements and helping scientists build better models. Aditi Krishnapriyan: Machine learning methods that scale as datasets grow Aditi Krishnapriyan is a faculty scientist in Berkeley Lab’s Applied Mathematics and Computational Research Division (AMCR) and assistant professor at UC Berkeley. Her project, awarded through UC Berkeley, will develop machine learning methods that scale with dataset size for modeling complex, multi-scale phenomena. The resulting tools can be applied in a wide range of research, including the study of new electrolytes for batteries or the examination of molecular interactions. ### Lawrence Berkeley National Laboratory (Berkeley Lab) is committed to groundbreaking research focused on discovery science and solutions for abundant and reliable energy supplies. The lab’s expertise spans materials, chemistry, physics, biology, earth and environmental science, mathematics, and computing. Researchers from around the world rely on the lab’s world-class scientific facilities for their own pioneering research. Founded in 1931 on the belief that the biggest problems are best addressed by teams, Berkeley Lab and its scientists have been recognized with 17 Nobel Prizes. Berkeley Lab is a multiprogram national laboratory managed by the University of California for the U.S. Department of Energy’s Office of Science. DOE’s Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit energy.gov/science.
Archival Data From NASA’s NEOWISE Tracks Star Turning Into Black Hole
Massive stars are often known to go out with a bang: The core collapses, and a wave of subatomic particles called neutrinos erupt outward, causing the star to
Antarctica 'ghost particle' observatory gets major upgrade that could 'pave the way' to physics breakthroughs
The National Science Foundation's massive IceCube neutrino detector at the South Pole just got a major new upgrade, which promises to take the search for "ghost particles" to a new level.
Impossibly powerful 'ghost particle' that slammed into Earth may have come from an exploding black hole — and it could upend both particle physics and cosmology
A supercharged neutrino that smashed into our planet in 2023 may have been spit out by an exploding primordial black hole with a "dark charge." If true, this theory could lead to a definitive catalog of all subatomic particles and unveil the elusive identity of dark matter.
Earth is bathed in droves of neutrinos spewed by the Milky Way's stars
The subatomic particles are incredibly numerous. About 1,000 neutrinos from stars other than the sun pass through a thumbnail every second.
Scientists spent 10 years chasing a particle that wasn’t there
After a decade of painstaking measurements, scientists have delivered a major plot twist in particle physics: a long-hypothesized “mystery particle” likely doesn’t exist. Using the MicroBooNE experiment at Fermilab, researchers analyzed neutrinos from two powerful beams and found no evidence for a sterile neutrino, ruling it out with 95% certainty.
Ghost particles slip through Earth and spark a hidden atomic reaction
Scientists have managed to observe solar neutrinos carrying out a rare atomic transformation deep underground, converting carbon-13 into nitrogen-13 inside the SNO+ detector. By tracking two faint flashes of light separated by several minutes, researchers confirmed one of the lowest-energy neutrino interactions ever detected.
Historic search for 'huge missing piece' of the universe turns up negative — but reveals new secrets of particle physics
Scientists hunted dark matter and solar neutrinos with one of the largest experiments yet. While the neutrinos likely appeared, dark matter results couldn't be confirmed.
Cosmic knots may finally explain why the Universe exists
Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new research showing how two powerful symmetries could have created stable “cosmic knots” after the Big Bang. These exotic objects may have briefly dominated the young cosmos, unraveled through quantum tunneling, and produced heavy right-handed neutrinos whose decays tipped the balance toward matter over antimatter.
Sterile Neutrino Prediction Muddled by Latest Experiments
Two papers challenged the existence of theorized particles called sterile neutrinos that might account for mysteries like the cosmos’s dark matter.
Scientists Just Tore Up a Major Particle Physics Theory
New results from the MicroBooNE experiment at Fermilab found no evidence of a hypothetical fourth flavor of neutrino