When the experimental XB-1 aircraft broke the sound barrier three times during its first supersonic flight on 28 January, it did not produce a sonic boom audible from the ground, according to US ...

The content is produced solely by The Conversation. Last week, American company Boom Supersonic flew faster than the speed of sound with its XB-1 supersonic demonstrator aircraft. It’s now the ...

A newly released image shows the sound barrier being broken on February 10 as America’s first civil supersonic jet completed its second flight at speeds exceeding Mach 1. NASA teams on the ...

Boom Supersonic will livestream its XB-1 prototype breaking through the sound barrier. The second series of supersonic flight tests are scheduled for 1:30 p.m. Monday as part of Boom “scaling up ...

The X-59 "quiet" supersonic jet was designed to break the sound barrier without producing the thunderous sonic booms that typically accompany supersonic flight. And based on the results of the ...

"This reduces risk and ensures we're not learning about problems in the air." NASA's experimental X-59 aircraft continues to make progress toward its first flight with a new successful round of ...