A NASA spacecraft is preparing to rendezvous with the largest object in the asteroid belt located between Mars and Jupiter.
The United States must do more than just plant a flag on Mars if it wants to continue as a leader in the field of space exploration, Apollo 11 moonwalker Buzz Aldrin told senators this week.
NASA astronauts ventured back outside the International Space Station on Wednesday for more cable work and a lube job.
NASA researchers think they understand why comets have a hard, crispy outside and a cold but soft inside — just like fried ice cream.
A series of upcoming spacewalks at the International Space Station will begin a day late.
Cue the John Williams score and fire up the Millennium Falcon, because six NASA astronauts are about to blast off to a galaxy far, far away. NASA released the official portrait of the first crew to...
SpaceX launched an observatory inspired by former Vice President Al Gore toward a solar-storm lookout point a million miles away Wednesday.