Boom Supersonic's XB-1 demonstrator craft will break the sound barrier for the first time during a Jan. 28 test flight, and ...

Boom Supersonic's XB-1 test vehicle is scheduled to lift off today (Jan. 28) at 11 a.m. EST (1600 GMT). Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a ...

The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic ...

Astronomers have spotted a "supersonic jetstream" on a nearby alien world, with winds reaching 20,500 mph (33,000 km/h) — the fastest planetary gusts detected anywhere in the cosmos. The record ...