Reaching Alpha Centauri within a single human lifetime has long sounded like science fiction, yet a new generation of nuclear ...

Struggling to get its new giant rocket ready in time for a scheduled launch next year, NASA might just leave it on the ground and turn to commercial alternatives. “NASA has a history of not meeting ...

“This is the Atomic Pulse Rocket, a pot-bellied ship nearly the size of the Empire State Building, propelled by a series of atomic blasts.” Sure, it sounds like a bad idea now but back then it was on ...

Engineers at the University of Washington are working on a new type of rocket engine that holds the promise of being lighter, more efficient, and simpler to make than conventional liquid-fuel rockets.