U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds ...

Germany-based Isar Aerospace is targeting no earlier than Monday, March 24, for the maiden voyage of its brand new Spectrum ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

Three NASA-funded rockets are set to launch from Poker Flat Research Range in Fairbanks, Alaska, in an experiment that seeks ...

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

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

“Satellites and rocket parts of moderate size re-enter ... launch and break away from the vehicle after it reaches the vacuum of space. And while SpaceX tries to recover fairing pieces as ...

Suni Williams and Butch Wilmore went to space expecting to stay for eight days and ended up staying for eight months.

The $488 million Spherex mission aims to explain how galaxies formed and evolved over billions of years, and how the universe ...

"If it's in vacuum and it doesn't hit anything ... She took a ride in weightlessness on a zero-gravity flight and watched rockets launch to space from places around the United States.