Scientists suggest that huge reserves of hydrogen inside the Earth may have been key in the formation of water.

The search for extrasolar planets resembling Earth constantly yields new finds. Such is the case with HD 137010 b, a candidate recently identified by astronomers. This Earth-sized planet orbits ...

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

A strange phenomenon thought to only exist near the Sun has been detected in Earth's magnetic field for the first time. The discovery could help scientists forecast the impact of geomagnetic storms ...