Sierra Space officials announced the autonomous spacecraft successfully completed and passed testing milestones in ...

R: The Shuttle Orbiter Enterprise inside of Marshall Space Flight Center's Dynamic Test Stand for Mated Vertical Ground Vibration tests (MVGVT). Images: NASA These are the voyages of the space ...

Plans were well underway to launch the Space Shuttle at Vandenberg in the early 1980s. The shuttle was what a rocket could never be: A flying aircraft with a human pilot. The insulting phrase for ...

Most people will never forget where they were when the Space Shuttle Challenger exploded 73 seconds after liftoff on January 28, 1986. Today marks the 39th anniversary of that tragic event, which took ...