A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

Researchers have helped overturn the popular theory that water on Earth originated from asteroids bombarding its surface; Scientists have analyzed a meteorite analogous to the early Earth to ...

In The Decline and Fall of the Human Empire, science writer Henry Gee considers how long we’ve got, and how we can extend our ...

Glaciers that came as far south as New York and Wisconsin, as some did 18,000 years ago, were not the ... it's been about 600 million years since the earth has had this sort of problem.

It's a very special kind of eruption, thought to be quite violent, that occurred a long time ago in the Earth's history ... hundreds of million of years, and then start growing again.

For millennia, humans lived as hunter-gatherers. Savannas and forests are often thought of as the cradle of our lineage, but ...

Remnants of a liquid layer of magma near Earth's core, formed in the first few hundred million years of the planet's history, ...

S ome years seem to zip by in the blink of an eye, while others seem to drag on for far longer. But some, like leap years, ...

Ancient Homo sapiens may have benefited from sunscreen, tailored clothes and the use of caves during the shifting of the ...