The molten salt reactor (MSR) technology will address Texas' energy challenges and generate life-saving medical isotopes ...

The Falcon 1 made history on September 28, 2008 by becoming the "first privately developed liquid fuel rocket to reach Earth orbit," according to SpaceX. Hear from the team that made it happen. Credit ...

The 50th H-2A rocket carrying the GOSAT-GW greenhouse gas and water cycle observation satellite, nicknamed Ibuki GW, is ...

Explore the breakthrough of Kelvin Mk.1, Northern Ireland's first student-designed liquid rocket engine from Queen's University Belfast.

Feitian 2 showed off key capabilities with its latest flight, including smooth flight mode transitions and autonomous flight.

New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine through a series of successful hot-fire tests.

Check back for live FLORIDA TODAY Space Team launch updates from both missions on this page, starting about 90 minutes before SpaceX's target launch time.

A giant slingshot might sound like something out of a science fair or a medieval battle—but one California startup is turning ...

Relativity Space has been working diligently to prepare the Terran R Rocket and its supporting infrastructure for its first ...

SpaceX CEO Elon Musk suggested on X that a high-pressure nitrogen tank failure was behind the explosion of the company's ...

A SpaceX Starship upper stage exploded during ramp-up to an expected engine test firing at the company's Starbase facility on the Texas Gulf Coast. It's an apparent major setback for the program.