The XB-1 just became the first civil aircraft to go supersonic over the continental United States. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

Humans have a tendency to impose our understanding of the laws of physics, our conception of what's possible, on the rest of the universe. The fact is that we keep pushing the goalposts of exactly ...

Boom Technology's faster-than-sound XB-1 jet has completed key milestones on the way to its historic first flight. When you purchase through links on our site, we may earn an affiliate commission.

Video. NASA and Lockheed Martin have successfully tested the X-59, a supersonic jet designed to fly faster than sound with minimal noise — a step toward reviving quiet, high-speed commercial travel.