Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

But the extinction alone doesn’t explain ... are now extending their model to examine other past mass extinctions, such as the end-Cretaceous event that famously wiped out the non-avian dinosaurs.

A rare fossil unearthed in Mongolia's Gobi Desert has led to the identification of a new dinosaur species Duonychus ...

The Cretaceous is known as the final chapter in the Age of Dinosaurs, preceding the mass extinction event that wiped out nearly three-quarters of life on Earth. Therizinosaurs represent an unusual ...

It’s fun to imagine secret dinosaur survivors living today, hidden in a remote corner of Earth. But the truth of who made it ...

Scientists racing the clock to finish excavating top southern Utah dinosaur fossil site before construction on a power ...