Seven down. Three to go. Boom Supersonic—the developer of a 64-to-80-passenger commercial airliner that flies faster than the speed of sound—last week set speed and altitude records with its XB-1 test ...

A 'spaceplane' that flies 25 times faster than the speed of sound has successfully passed a crucial testing milestone. The hypersonic plane is so fast it could jet from London to New York in less than ...

Boom Supersonic has an impressive new speed record in its latest test flight with its XB-1. With its vision set to revolutionize air travel, this is a huge step to make things happen. The test flight ...