SpaceX has notched up another milestone in the development of Starship, fixing its Raptor Vacuum engine to the spacecraft and test-firing it for the first time. This marks another important step in ...

The Starship, SpaceX’s under-development rocket, is turning up the power. The test fire marks another step forward in CEO Elon Musk’s overall mission to establish a city of 1 million people on Mars by ...

A few months ago SpaceX and Elon Musk were going to only make one version of the new Raptor engine for initial tests and flights but now Elon tweets that a vacuum optimized Raptor engine could be ...

SpaceX has shared dramatic slow-motion footage showing a Raptor engine powering down at the end of a recent test fire. “Shutdown of a Raptor vacuum engine in slow motion,” SpaceX said in a message ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...