"Thanks for all your effort," wrote the first moonwalker. Neil Armstrong was appreciative, but as explained in his ...

Nicole Stott is the latest astronaut to lend her autograph to the Space Hipsters Signature Edition series of "signed" patches. A former NASA astronaut who has made it her mission to promote the ...

Astronomers have released new “Christmas Tree Cluster” images using NASA’s Chandra X-ray Observatory ... in Canis Minor in an otherwise empty patch of the night sky. That’s because ...