NASA's space shuttle Challenger exploded and broke apart Jan. 28, 1986, in the sky over East-Central Florida, killing the ...

The International Space Station (ISS) is now orbiting Earth at a record altitude of 262 miles (422 km). It was deliberately nudged to a higher position just recently by a SpaceX Dragon spacecraft.

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

The views of the setting sun are just as spectacular from space as they are on Earth.

NASA's next moon rocket is on the launch pad for testing, and you can follow its progress live.

A NASA research plane malfunctioned and had to touch down in Texas without landing gear on Tuesday, sliding across the runway ...