Researchers have identified the long-mysterious Toronto “subway deer” as a previously unknown extinct deer related to the ...

A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the Cambrian explosion of life on Earth. What happened next, in the direct aftermath ...

More than 250 million years ago, life on Earth faced its most devastating crisis — a global event so severe that it wiped out nearly three-quarters of life on land and an even larger share in the ...

Researchers say the remarkable discovery was made using fossils, photos and a misidentified museum specimen ...

A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass extinction. Instead of a single marine amphibian species, researchers ...

In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

Hawaiʻi's role in a recent discovery in the forests of New Guinea is rewriting a scientific story that seemed finished thousands of years ago.

Picture this: you’re a scientist digging near the Amazon rainforest, and you pull a jawbone out of the ground that looks so ...

Find out what fossils have revealed about ichthyosaurs, which included the biggest marine reptile that ever lived.