For millions of years, Earth’s shifting plates have shaped continents, formed oceans, and built towering mountain ranges. But ...

A team of researchers proposes that 10 million years ago two giant neutron stars crashed into each other and debris from that intense explosion (called kilonova) fell on Earth and the Moon.

Shatter cones and rock deformations reveal the force of the impact, but its full consequences remain uncertain. Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but ...

The dinosaur extinction is widely known, but the end-Permian mass extinction was an even more devastating event in Earth’s history. This extinction event occurred 252 million years ago and was ...

Cambridge University researchers have uncovered evidence that two distinct populations of ancient hominins, separated for ...

Scientists discovered humans descended from two ancient populations, not one. These groups split 1.5 million years ago.

Earth has witnessed five mass extinction events in its history. The one that killed the dinosaurs 65 million years ago is one of the best-known ones. Then there were others, such as the Great Dying ...

But life on Earth is never quite so straightforward, especially not when it comes to the most socially complex species we know: humans. University of Cambridge researchers have now uncovered an ...

Isolated for millions of years, the islands have given rise to species found nowhere else on Earth, from vibrant ... diverged between 31 and 34 million years ago—long after the breakup of ...

Scientists propose Earth ... a million-year stay near dense star nurseries, possibly cooling the planet as Antarctica’s ice grew. Gaia data shows our solar system swung within 65 light-years ...

Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for ... The resulting tools ranged from 20 to 40 centimeters (eight to 15 inches) long, some weighing ...