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Scientists Uncover New Evidence of Ancient Airbursts That Ravaged Earth Without Leaving Craters
Scientists are uncovering signs that Earth has been hit by powerful cosmic blasts that leave little trace on the surface yet unleash extraordinary heat and pressure.
Helio Highlight: Comets, the Sun, and You
This article shows educators how comets help us learn about the Sun and Space Weather. Connected to educational resources that help K-12+ teachers explain solar wind and space science concepts in simple, engaging ways for students.
NASA's PUNCH Tracks Comet Discovered by SOHO Spacecraft
From August to October, NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission tracked comet 2025 R2 (SWAN) — one of the thousands of comets
I watched scientists track interstellar comet 3I/ATLAS leaving the solar system in real-time: 'This is some prime-time science'
"These images are not just pretty."
What's Up: December 2025 Skywatching Tips from NASA
The 3I/ATLAS comet makes its closest approach to Earth, the Geminid meteor shower sparkles across the sky, and the Moon and Jupiter get close for a conjunction.
Interstellar comet 3I/ATLAS is erupting in 'ice volcanoes', new images suggest
Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.