The United States once poured money and political capital into a spaceplane concept that promised to take off from a runway, reach orbit in a single leap, and slash the cost of spaceflight. Instead of ...

The test flight of Boeing’s Starliner capsule — which turned into a monthslong stay in space for two astronauts — was a debacle in the same league as shuttle disasters, NASA said.

While NASA celebrated the launch of its first Space Shuttle in 1981, the Soviet Union was racing to build its own orbital ...

Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in ...

On the morning of January 28, 1986, seven crew members were killed when the space shuttle Challenger broke apart a little over a minute after it launched. Those killed included five NASA astronauts, ...