American space agency NASA and space company L3Harris announced they've conducted a test firing of the second new RS-25 ...

This engine won't be fueling interstellar missions, but still finds an unexpected way to use deep space energy to generate ...

L3Harris' RS-25 engine, which will support the core stage of the Space Launch System rocket for the Artemis V mission, was fired for 500 seconds.

Researchers have created a device that generates mechanical power at night by harnessing the natural temperature difference between warm ground and the cold of outer space. Engineers at the, Davis, ha ...

Located only 56 million light-years away in Ursa Major, NGC 4102 gives astronomers a nearby target to study how these active ...