Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

American company Boom achieved a milestone Tuesday as its XB-1 aircraft exceeded the speed of sound for the first time during ...

The X-1 was first flown on glide tests, in Florida, after being dropped from a B-29 at 29,000 feet. It wasn’t until information collected during the glide tests was processed, and adjustments were ...

Boom Supersonic’s XB-1 demonstrator has broken the sound barrier, marking a major milestone in the effort that hopes to lead ...

The XB-1 breakthrough is seen as a major advancement in the development of Boom’s commercial passenger aircraft, the Overture ...

Ever since the Concorde stopped flying, aviation buffs have dreamed of a civilian supersonic plane. Now there's been a ...

A prototype jet developed by US start-up Boom Supersonic has made history by breaking the sound barrier during a test flight ...

The XB-1 test flight was a unique event that will live on in the history books and has given travelers hope of a return to ...

Boom Supersonic’s XB-1 demonstrator has broken the sound barrier, becoming the first US-made civil aircraft to do so.

US aerospace firm Boom Supersonic's experimental XB-1 aircraft has achieved a speed in excess of Mach 1 for the first time.

Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...

a prototype aircraft that many tout as the Concorde’s successor, will be livestreamed at 6:45 a.m. PST on Tuesday, Jan. 28, ...