The secretive private space rocket enterprise gets a huge boost from Wednesday's successful mission.
Behold the barren beauty of Mercury in these stunning close-up shots.
Sure, groups like NASA and major universities hold many of the tools needed to study the cosmos — but that doesn't mean a group of armchair astronomers can’t make a difference.
The U.S. Air Force’s mysterious space plane has been testing all sorts of classified tech in recent years, but the X-37B’s latest mission could be the most interesting yet.
The U.S. Air Force’s mysterious, classified space plane returned to Earth last year after spending a record 22 months in orbit doing ... something. Now it’s headed back to space.
Here's a hypnotic 3D trip into the heart of the Gum 29 nebula.
NASA’s chief scientist wasn’t kidding when she said we should find signs of alien life soon — because the space agency is launching its most ambitious initiative yet to find some aliens.
Here's an awesome orbital salute to Star Trek: Voyager's Captain Janeway.
If you’ve ever wanted to see the moon mapped out by some of the best cartographers on our planet, this definitely fits the bill.
A NASA probe just made a little history.