Scientists Identify Chicken-Sized Dinosaur That Rewrites the Dinosaur Family Tree, Filling a 70-Million-Year Evolutionary Gap ...

For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

Fossils from a Moroccan cave have been dated with remarkable accuracy to about 773,000 years ago, thanks to a magnetic ...

Chernobyl’s frogs are turning black, not by accident, but by evolution. Their dark skin may hold the key to surviving ...