LONDON (AP) — A rocket engine exploded during a test launch at a new spaceport in the Shetland Islands off northern Scotland, the rocket manufacturer said Tuesday. German manufacturer Rocket Factory ...

LONDON (AP) — A rocket engine has exploded during a test launch at a new spaceport in the Shetland Islands off northern Scotland. German manufacturer Rocket Factory Augsburg, or RFA, said no one was ...

They're noisy, but your next missile or military vehicle might have an RDE (rotating detonation engine) powerplant in it. RDEs are more fuel-efficient, lighter, easier to maintain, and capable of ...