On April 22, 2010, the U.S. Air Force launched the super-secret X-37B space plane on its first spaceflight. [ This space plane is also known as the Orbital Test Vehicle. It looks a lot like NASA's ...

NASA’s Space Launch System (SLS) is the most powerful rocket the agency has ever built—yet it’s also one of the most criticized. Constructed with parts from the Space Shuttle and Constellation ...

After a seven month research assignment at the International Space Station, a Soyuz capsule carrying astronaut Don Pettit and ...