Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger ...

Walking below the shuttle Atlantis on display, the orbiter's protective heat shield tiles are visible, dinged and scratched from traveling through Earth's atmosphere. A slide in the Space Shuttle ...

The program featured Capt. Robert “Hoot” Gibson, a veteran NASA astronaut who flew five space shuttle missions, including ...

Forty years ago, the Challenger space shuttle disintegrated just after lift-off. A small team of engineers tried to prevent ...

A chapter in United States history closed this morning as the Space Shuttle Atlantis touched down for the final time. The return flight was successful, with excellent weather easing the crew's return ...

CAPE CANAVERAL, Florida (AP) — With 100 Internet-savvy NASA fans cheering on the shuttle and churning out constant Twitter updates, Atlantis sailed smoothly into orbit Monday with six astronauts and a ...

A view from above of Atlantis' 60-foot-long payload bay. Atlantis' aft section as viewed from the side. The reflective insulation would normally be covered by one of the shuttle's two orbital ...

Something "size of a pea" could puncture Atlantis on mission to repair Hubble. May 13, 2009 — -- A myriad of space debris combined with a 21-inch scratch across delicate thermal tiles has the ...