Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

In partnership with NASA, the Intuitive Machines lander Athena will send a water-seeking drill, a pogo-sticking crater probe ...

Watch SpaceX douse a steel plate with water and then blast Raptor engine fire into it. The private spaceflight company's ...