Hermeus' remotely piloted high-speed aircraft, Quarterhorse, flew for the first time on May 21. (Hermeus) Hermeus, a venture capital-backed firm building high-speed aircraft, flew its Quarterhorse ...

NASA Armstrong Flight Research Center in 2025 conducted high-speed, supersonic, and hypersonic aircraft tests, supporting aeronautics, air mobility, and Earth observation through experimental flights ...

Stratolaunch has finally found a use for the world’s largest airplane. Twice in the past five months, the company launched a hypersonic vehicle over the Pacific Ocean, accelerated it to more than five ...

Stratolaunch has finally found a use for the world’s largest airplane. Twice in the last five months, the company launched a hypersonic vehicle over the Pacific Ocean, accelerated it to more than five ...

It's fairly common knowledge that when a supersonic aircraft approaches the sound barrier, what follows is the sonic boom. This transitory period between subsonic and supersonic, known as transonic ...

A Chinese research paper on an ejectable cockpit for high-supersonic flight has drawn attention after a mysterious blended-wing test object appeared at the Gaobeidian radar range. Experts have linked ...

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 ...