On July 21, 2011, space shuttle Atlantis landed for the final time at NASA's Kennedy Space Center, marking the last time a space shuttle would ever touch down again. The space shuttle program made use ...

The story of the Black Knight is a mix of facts and speculation. In 1998, photos taken during the STS-88 shuttle mission showed a dark object floating in space. Quickly, some saw it as evidence of ...

In this historical photo from the U.S. space agency, U.S. Secretary of State Madeleine Albright talks with NASA Administrator Daniel Goldin (left) in the VIP lounge at the Kennedy Space Center's ...

According to conspiracy theorists, the Black Knight satellite is an alien spacecraft orbiting Earth. Here's what's really going on. The Black Knight satellite conspiracy theory claims that a ...

The crew of STS-88, the first shuttle mission to the International Space Station in 1998. NASA It was 25 years ago, on December 11, that the International Space Station (ISS) welcomed its first ...

When the world's largest solid rocket motor is ignited in Utah this week, it will not leave the ground, but it will fire with components that have a long spaceflight history. The static fire on ...