NASA astronaut Sunita Williams is leading a space ... offering fresh support for theories that Mars once had vast bodies of water. Studying images and radar data from Utopia Planitia, the largest ...

SpaceX launched 21 Starlink internet satellites from Florida's Space Coast early Monday morning (Dec. 23) and landed the ...

SEATTLE — Elon Musk and Jeff Bezos have become the two wealthiest men in the world thanks to their breakthrough technology ...

A NASA spacecraft is about to give astronomers an epic early Christmas present with the closest ever flyby of the sun on Dec.