Analysis of the fossil suggests that the only two egg-laying mammals, platypuses and land-based echidnas, both descended from ...

While dinosaurs are the best-known ancient animals, some of the scariest prehistoric creatures were not dinosaurs. Instead, these animals could crush bone, were the apex predators of their ...

Deep in the Waiʻanae mountains of Oʻahu lives one of the strangest creatures ever discovered. And it’s not what you’d expect. It’s a caterpillar. But it doesn’t eat leaves. It doesn’t spin cocoons.

Muscle and other soft tissue don’t turn into fossils like bone. Everything we think we know about the anatomy of these massive ancient creatures is based on what little we can glean from fossil ...