A new study reveals that a major cooling event 34 million years ago caused staggered marine extinctions, not a single global ...

There might still be dinosaurs living on Earth today — if not for the giant asteroid. It’s a long-debated issue, but now researchers say the idea Dinosaurs were in decline before the Chicxulub ...

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 ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...