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

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

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 ...

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 ...

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

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 is a demonstrator for the future Boom Overture, which aims to be the first supersonic passenger aircraft made in the ...

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

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

The test flight for the Boom Supersonic XB-1, a prototype aircraft that many tout as the Concorde’s ... developed supersonic ...

Boom Supersonic's XB-1 prototype aircraft achieves supersonic speed, surpassing the sound barrier and paving the way for next ...

The sound barrier was first broken on Oct. 14, 1947, according to the U.S. Air Force. That's when Capt. Chuck Yeager and the Bell X-1 rocket-propelled aircraft broke the sound barrier.