When a reel of Baumgartner’s leap from the stratosphere crossed my feed today, I realized I had completely forgotten about the Red Bull Stratos feat. Next, I thought, surely this was just a couple of ...

Felix Mantilla, a champion with the Milwaukee Braves who continued to make his mark on the community in retirement, has died at age 90. Mantilla was one of only a handful of players remaining from ...

A US company's prototype jet has broken the sound barrier in a demonstration it hopes will pave the way for a successor to the Concorde. Boom Supersonic's XB-1 is the first civilian aircraft to ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Executive Editor David ...

XB-1 broke the sound barrier in a special piece of airspace called the "Bell X-1 Supersonic Corridor" after pilot Chuck Yeager's historic 1947 supersonic flight. Boom Supersonic's XB-1 piloted ...

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

Boom, the startup developing a new generation of supersonic aircraft, has achieved a major milestone after its test plane broke the sound barrier for the first time. The XB-1 “Baby Boom” piloted by ...

Boom, the startup developing a new generation of supersonic aircraft, has achieved a major milestone after its test plane broke the sound barrier for the first time. The XB-1 “Baby Boom ...

The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according to Boom Supersonic. The test flight for the Boom Supersonic XB-1 ...