Earth’s history is filled with incredible milestones, and the emergence of the first animals is one of the most captivating.

A new study found dinosaurs were thriving on Earth before asteroid hit, challenging idea they were already in decline before ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

What roils beneath Earth's surface may feel a world away, but the activity can help forge land masses that dictate ocean circulation, climate patterns, and even animal activity and evolution. In fact, ...

What happens beneath the Earth’s surface may seem distant, but its effects shape continents, influence ocean circulation, ...

An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

Dinosaurs could have been roaming Earth today if it wasn't for the asteroid, says a new study, as it suggests their existence ...