'Curiousity' dropped down onto the surface of the red planet early Monday morning and is already sending back pictures.
Three private companies – Boeing, SpaceX, and the Sierra Nevada Corporation – will share $1.1 billion from NASA to help restore the US human spaceflight program.
A trio of private spaceflight companies – Boeing, SpaceX, and the Sierra Nevada Corporation – are to get $1.1 billion in funding from NASA under a new deal to launch US astronauts into space.
Following the death of astronaut Sally Ride everyone from Buzz Aldrin to Barack Obama has offered a tribute to the first American woman in space.
Sally Ride, the first American woman in space, died Monday.
As we mark Landsat's 40th birthday, we present you with some of the best images ever created by this Earth-monitoring satellite program.
The Landsat program, a network of seven Earth-facing satellites, turns 40 on Monday.
The SpaceX Dragon capsule, a privately owned spacecraft, returned to Earth Thursday from the International Space Station
This is the first privately-funded spaceflight to the International Space Station; it launched Tuesday after a scrubbed mission over the weekend.
The unmanned Dragon space capsule, built by commercial firm SpaceX, is slated to lift off atop the company's Falcon 9 rocket early Saturday from here at the Cape Canaveral Air Force Station.