Ancient trackways in seabed mud show animals moved purposefully 10 million years before the Cambrian Explosion.

Scientists call them “living fossils,” creatures whose bodies resemble ancient ancestors recorded in stone. They’ve endured ...

Learn how the Grand Canyon used to be home to an ancient evolutionary competition that has since left behind a plethora of ...

A groundbreaking study suggests that the famous Cambrian explosion—the dramatic burst of diverse animal life—might have actually started millions of years earlier than we thought. By analyzing ...