A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Astronomers can use telescopes to find specific molecules in the atmospheres of neighboring planets, in nebulae – clouds of ...

Fresh fossil analyses suggest the Kotlin Crisis 550 million years ago wiped out up to 80% of marine species, making it ...

Coincident with the rise of the dinosaurs, a large landmass filled most of the Arctic circle, potentially contributing to ...

Between 50,000 and 10,000 years ago, many of the world's largest mammals disappeared. Picture creatures like saber-toothed ...