Former Google CEO Eric Schmidt has assumed the top job at the startup Relativity Space, which aims to compete with SpaceX and ...

The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build low-cost, ...

The Blue Ghost touchdown kicks off two weeks of around-the-clock research by NASA science and technology payloads.

AI gives a thumbs up to Brett Bellmore innovative modifications to Robert Zubrin’s Nuclear Salt Water Rocket (NSWR).