Venus Aerospace, a Houston-based startup developing hypersonic propulsion technology, completed what it calls the first U.S. flight test of a next-generation rotating detonation rocket engine on May ...

Ursa Major Technologies has completed the first hot-fire tests of its Hadley H13 liquid rocket engine, a milestone the company says could support reusable hypersonic test vehicles and smaller launch ...

For the second time in just over nine months, an Atlanta-based company this week debuted a new supersonic test aircraft.

US start-up Hermeus has flown its first supersonic-capable aircraft, the Quarterhorse Mk 2.1, marking a significant step ...

A US-based aerospace and defense company has successfully carried out the first hot-fire tests ...

Ursa Major's latest variant of the flight-proven, production rate Hadley liquid rocket engine, H13, has successfully completed its first hot fires, following a series of design improvements and ...

The service’s test center at Eglin AFB is researching whether there are any contractors to lead a project to reactivate a ...

US propulsion specialist Ursa Major has unveiled Havoc, a liquid-fuelled hypersonic missile designed for multi-domain launch and scaled production, addressing requirements for affordable weapons that ...

The Pentagon took another step toward speeding up hypersonic testing. The Defense Innovation Unit ...

In what may be a world first, Venus Aerospace has, for the first time in the US, successfully flown a Rotating Detonation Rocket Engine (RDRE) that uses supersonic explosions to create thrust. Such ...

The medium-range hypersonic system is powered by a liquid rocket engine, is able to alter its speed in flight and can be adapted for use.

Aerospace and defense company Ursa Major aims to bring greater containment and control to hypersonic flight with its HAVOC ...