On Monday, the Atlanta-based aerospace company Hermeus confirmed a key flight milestone after its ...

Preview this article 1 min Hermeus' unmanned aircraft broke the sound barrier in its third test flight. 40 Under 40 Awards ...

Boom Supersonic's XB-1 test aircraft successfully completed its seventh subsonic flight, setting new speed and altitude records, and is on track for supersonic flight tests by year-end. The XB-1 is a ...

Add Yahoo as a preferred source to see more of our stories on Google. Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm's XB-1 prototype reached a ...

The high-speed uncrewed test aircraft performed its first flight at Edwards AFB, just a year after the launch of the development. Hermeus, a U.S. company aiming to develop hypersonic aircraft quickly ...

Discover Japan's Mach 5 hypersonic engine. We explain the JAXA Kakuda Space Center ramjet test that could make 2-hour flights ...

Hermeus, a venture capital firm building high-speed aircraft, flew its Quarterhorse vehicle for the first time last week at Edwards Air Force Base in California, the company said. The aircraft, dubbed ...

Boom Supersonic's XB-1 aircraft set a new speed record during its latest test flight. The Colorado company is working through a flight test program of the XB-1 supersonic demonstrator aircraft, which ...

Japan has completed a ground combustion test of a ramjet engine for a Mach 5 experimental aircraft, marking a step forward in ...