The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Two diamonds formed 700 kilometers below the Earth's surface reveal a life-giving synchronicity between shifting continents ...

It orbits a nearby red dwarf star within the star's habitable, or 'Goldilocks', zone - the region where temperatures are ...

Nearly 660 kilometers (410 miles) beneath Earth's surface lies one of the planet's most important internal boundaries. Known ...

A new global study is offering a clearer view of how some of the world’s most valuable mineral deposits form, tracing their ...

When you think about a large asteroid impact, you might imagine a moment of devastation: a violent collision, a blast of heat ...

Ancient asteroid impacts may have done more than reshape Earth's surface—they could have helped spark life itself. New computer models show the collisions created enormous underground hydrothermal ...

The Moon is getting less illuminated each night.

An artist's impression of a habitable world orbiting a red dwarf star. (ESO/M. Kornmesser) One of the best places to search ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

European scientists warn of consequences for weather patterns, the global climate and marine life ...

Temperatures on the ocean surface hit a record high in June, European scientists warned Wednesday, fueling fears of more ...