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

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 ...

For decades, the prevailing theory behind the mass extinction that ended the reign of the dinosaurs has pointed to a catastrophic asteroid impact near today’s Yucatán Peninsula. The massive crater of ...

For decades, the asteroid that ended the reign of the dinosaurs has stood as a symbol of total planetary devastation. But hidden within the chaos it unleashed was the seed of a biological rebirth. In ...