NASA will conduct an ambitious test flight of its revolutionary 'flying saucer' technology Tuesday as scientists lay the foundations for future Mars missions.
A global team of vigilant satellite watchers has caught the U.S. Air Force's robotic X-37B space plane on camera as the craft circles Earth on its fourth mysterious mission.
Google has paid tribute to America's first woman in space with a series of five animated "Doodles" appearing on its website today, May 26.
The mysterious spots on Ceres shine brightly in NASA’s latest images of the dwarf planet.
NASA's Mars rover Curiosity has found a new route to some interesting rocks after its original path proved too difficult to traverse.
SpaceX's robotic Dragon capsule returned to Earth today Thursday, wrapping up the private spaceflight company's sixth cargo mission to the International Space Station.