In a new animation, scientists map the planet's plate tectonics over the last 40 percent of its history. It's the longest ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

University of Maryland researchers have found intriguing new evidence of ancient seafloor deep beneath the Earth's surface.

Early in Earth's history, bombardment by enormous asteroids was common. High-density material in the mantle may be remains of ...

Today marks the debut of a collaborative exhibit between NASA and the Smithsonian National Museum of Natural History: the ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface.

Parents need to know that Planet Earth is a flat-out gorgeous high-definition nature series that uses cutting-edge film equipment to capture never-before-seen animal behavior from around the world.

The Hera planetary defense mission, launched successfully aboard a SpaceX Falcon 9 rocket, aims to assess the feasibility of ...

In the wake of hurricanes that have disrupted lives for millions in the U.S., some people may wonder if extreme weather ...

Laura Nicole Driessen, University of Sydney The days are getting longer and, in Australia, the switch to daylight saving time ...

Early in Earth's history, bombardment by enormous asteroids was common. The asteroid-smashing planetary defense mission ...

Lake Erie is the shallowest of the Great Lakes but bests its cousins in several other ways. Find out more about all the Great ...