Live updates from Tuesday's SpaceX NROL-77 national security mission that launched a Falcon 9 rocket from Cape Canaveral ...

The Boeing X-20 Dyna Soar was a Cold War gamble to build a reusable, piloted spaceplane that could orbit Earth at roughly ...

The Air Force’s X-20 Dyna Soar Mach 20 Mistake? -In the late 1950s and early 1960s, the U.S. Air Force pursued the X-20 ...

He gave readers a comprehensive and lyrical account of the historic mission in 1969. His science coverage as a ...

As clouds hovered over the Space Coast Monday afternoon, SpaceX launched a rocket on a Starlink mission. See the FLORIDA ...

An unexpected bird strike triggered the crash, and the test vehicle exited the north end of the runway at low speed, Space ...

NASA's Jonny Kim and two cosmonauts are scheduled to land just after midnight on Tuesday (Dec. 9). Three astronauts will come ...

Three Chinese astronauts are stuck in space after their shuttle was used to cart another group back to Earth, leaving them in the dust. Astronauts Zhang Lu, Wu Fei and Zhang Hongzhang, all with the ...

When NASA needed a taxi service for its roughly 100-ton space shuttles, it couldn't exactly call an Uber. The agency needed a plane powerful enough for the job. It dug around, and the two candidates ...

Sierra Space performed tow tests of its Dream Chaser spaceplane at the former shuttle runway at the Kennedy Space Center. Credit: Sierra Space WASHINGTON — Sierra Space has completed key testing ...

WASHINGTON, Oct 30 (Reuters) - Elon Musk's SpaceX on Thursday said it proposed to NASA a simplified plan to send humans to the moon using its Starship rocket, as the agency presses its contractors to ...

Texas lawmakers have demanded the Discovery shuttle be moved to the Johnson Space Center in Houston, but daunting technical challenges remain—and Virginia officials have dug in against the move. The ...