The valveless pulsejet engine is one of the simplest known engines, consisting of just a hollow pipe with no moving parts.

Pratt & Whitney clears a key F135 engine review, advancing the F-35 toward Block 4 upgrades with more power and thermal ...

UK-developed turbojet engines that can power drones and larger aircraft have moved from the initial concept to production and flight testing within seven months ...

Progress on engine preparation comes as airframe assembly reaches the halfway point at Northrop Grumman’s Scaled Composites facility in Mojave Air & Space Port, California, and as studies of potential ...

Hermeus CEO Zach Shore told Breaking Defense the company can now vertically integrate production of its Quarterhorse drone ...

Choosing an orbit for a satellite always comes with trade-offs. Very low Earth orbit (VLEO), between 100–450 km (62–280 miles ...