The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have identified a new species of extinct crocodile kin that ...

More than 200 million years ago, life on Earth was experimenting with new forms. The Triassic period gave rise to animals that look oddly familiar today, yet belonged to very different lineages.

Dinosaurs arrived hot on the tails of their more ancient relatives, reptiles called dinosauromorphs, a new study shows. New dating of a dinosauromorph fossil layer in a geologic formation in Argentina ...

Ancient stone beneath the Arizona desert could answer long-standing questions about dinosaur evolution — and hint at our solar system's possible fate. A deep-bellied rumble reverberates through an ...