The space agency aims to send four astronauts around the moon early next year—and bring them safely home through intense heat ...

NASA's shuttle Endeavour is headed for the International Space Station to deliver a major space experiment and other supplies. But before Endeavour arrives, its six-astronaut crew must scan their ...

HOUSTON — NASA engineers examined new detailed pictures of space shuttle Discovery’s heat shield Friday, a day before two astronauts were to embark on the most disorienting task of their 13-day ...

Rather than completely burning up when a spacecraft reenters Earth's atmosphere, its heat shield's outer surface is sacrificed to protect the rest of the vehicle. The carbon fibers decompose, ...

HOUSTON -- All their assigned duties were completed and final precautionary tests had turned up no problems Sunday, leaving weather the only question facing the astronauts on the space shuttle ...

HOUSTON -- Separated from the international space station, their heat shielding inspected one last time for damage and all their goals accomplished, the crew of the space shuttle Discovery was ready ...

HOUSTON - All their assigned duties were completed and final precautionary tests had turned up no problems Sunday, leaving weather the only question facing the astronauts on the space shuttle ...