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

This 3D printing technology could allow astronauts to manufacture satellite engines in space, eliminating the need for Earth-based launches.

China’s new nuclear-battery attack submarine – a unique hybrid boat running on batteries like a conventional sub but which recharges them using a tiny nuclear reactor – could be the ultimate ...

NASA's X-59 quiet supersonic research aircraft has taken another successful step toward flight with the conclusion of a series of engine performance tests.

Three small NASA rovers that will explore the lunar surface as a team have been packed up and shipped from the agency's Jet ...