Scientists have traced the human eye back to a tiny one-eyed ancestor that lived nearly 600 million years ago — and remnants of that ancient “cyclops” eye may still survive inside our brains as the pineal gland
Scientists reconstructed a Wyoming forest from 56-million-year-old fossil leaves; it lost about 60% of its canopy during ancient warming and took more than 100,000 years to recover
Scientists uncovered a bizarre crocodile cousin from 215 million years ago that started life walking on all fours, then changed its entire stance as it grew — by adulthood it was standing upright and striding around on two legs