NASA has unveiled a breathtaking new image showing what appears to be a massive “cosmic hand” stretching across 150 light-years of space, created by one of the galaxy’s most powerful electromagnetic ...

Twin brothers and former NASA astronauts Mark and Scott Kelly have each flown four missions and were part of NASA's twin study to research the impact of spaceflight on the human body. Hours before ...

NASA continues to test various robotic models in a simulated lunar surface as it works toward the goal of having humans back on the moon. The RASSOR (Regolith Advanced Surface Systems Operations Robot ...

UPDATE: The rocket launch was scrubbed at about 2 a.m. Wednesday because of cloudy skies and other atmospheric conditions. NASA says it will try again between 10:30 p.m. Wednesday and 3:30 a.m.