Chinese scientists uncovered a powerful energy source for deep Earth microbes: hydrogen and oxidants generated by rock fracturing during earthquakes. The process may also suggest how life could exist ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

The sun has been Earth's constant companion ever since our planet emerged. But if the sun were to suddenly disappear, what would happen to our home planet? To understand the fate of a sunless Earth, ...