Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed ...

Gravitational waves are ripples in spacetime produced by violent cosmic events, such as the merging of black holes. So far, ...

Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.

This month's new moon occurs at 9:23 p.m. EDT on March 18 (0223 GMT on March 19) as the lunar disk passes between the sun and Earth. Around this time, the lunar disk is invisible from our perspective, ...

Scientists discover a nearby planet with a molten interior and sulfur-rich atmosphere, L 98-59 d, revealing a possible new ...