Astronaut Scott Kelly Now Has Different DNA Than His Identical Twin Brother After One Year In SpaceWhile Scott Kelly's height and 93 percent of his DNA returned to normal after returning to Earth, NASA confirmed that seven percent of his genes have remained changed and may stay that way.
3 Space Station Astronauts Return To EarthThree astronauts returned from the International Space Station to the snowy, bitingly cold flat lands of Central Asia, ending a 5 1/2-month mission highlighted by robotic renovations, teacher pep talks and greetings from Pope Francis.
Farthest Photos Ever Taken, From Nearly 4 Billion Miles AwayThe NASA spacecraft that gave us close-ups of Pluto has set a record for the farthest photos ever taken.
SpaceX's Big New Rocket Blasts Off, Puts Sports Car In SpaceSpaceX's big new rocket blasted off Tuesday on its first test flight, carrying a red electric sports car aiming for an endless road trip past Mars.
Showtime For SpaceX's Big New Rocket With Sports Car On TopIt's almost showtime for SpaceX's big new rocket with a cherry-red sports car on top. The Falcon Heavy rocket is poised to blast off this afternoon.
15 Years Since Columbia Disaster UT Arlington Remembers Kalpana Chawla: One Of Their OwnFifteen years ago today, the space shuttle Columbia exploded over Texas. All seven astronauts on board were killed, including one with ties to North Texas.
NASA Turns Selfies By Mars Rover Into Stunning Self-PortraitThe photo shows Curiosity in the middle of the dusty, red Martian terrain, with Mount Sharp in the background.
Lunar Showstopper: 1st Super Blue Blood Moon In 35 YearsIt's the first time in 35 years a blue moon has synced up with a supermoon and a total lunar eclipse.
NASA Honors 7 Killed On Space Shuttle Columbia 15 Years AgoNASA honored the seven astronauts killed aboard shuttle Columbia 15 years ago.
NASA Bumps Astronaut Off Space Station Flight In Rare MoveNASA has bumped an astronaut off an upcoming spaceflight, a rare move for the space agency so close to launch.
NASA: Legendary Astronaut, Moonwalker John Young Dies At 87Legendary astronaut John Young, who walked on the moon and later commanded the first space shuttle flight, has died, NASA said Saturday. Young was 87.
First NASA Astronaut To Fly Untethered In Space, Dies At 80Bruce McCandless was famously photographed in 1984 flying with a hefty spacewalker's jetpack, alone in the cosmic blackness above a blue Earth.