Boom Supersonic XB-1 demonstrator confirmed safe operation at Mach 0.82 without stability augmentation, clearing a key step toward supersonic flight.

Watch a SpaceX Falcon 9 first stage descend to a landing zone in Florida after launching Northrop Grumman's Cygnus spacecraft. Credit: SpaceX | edited by Space.com''s Steve Spaleta ...

Officials at Mountain Home Air Force Base have confirmed that training exercises are to blame for Thursday night’s boom heard ...

The latest SpaceX launch from Vandenberg became a topic of conversation due to the loud sonic boom that followed. Even ...

XB-1 demonstrator did not quite break the sound barrier during its seventh test flight but reached speed and altitude ...

The latest test flight was piloted by Tristan “Geppetto” Brandenburg, a graduate of the United States Naval Test Pilot School. Along with breaking the plane’s speed record, his flight also reached new ...