Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

General Atomic's new nuclear fuel was subjected to the maximum heat of a reactor for 20 minutes in the latest tests.

A Houston-based company is attempting to break past Mach 5 — and it's broadening its scope beyond just commercial flights, ...

General Atomics Electromagnetic Systems (GA-EMS) has successfully tested the nuclear fuel that may one day propel and power the spacecraft of the future. The trials verify that the fuel can survive ...

“The final test achieved a fantastic 6,000 Newtons of thrust, breaking the previous record set by the University of Sheffield ...

German launch startup Rocket Factory Augsburg has taken a step towards a first launch by gaining a first-ever license to ...

The Indian Space Research Organisation (ISRO) has successfully demonstrated the restart capability of its liquid-fueled ...

XI'AN -- China successfully completed three ignition tests for liquid oxygen-kerosene engines on Sunday, according to the China Aerospace Science and Technology Corporation (CASC). This marks the ...

A SpaceX test flight has ended in failure after an upgraded Starship rocket exploded over the Atlantic. SpaceX, Elon Musk’s ...

One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it's ...

Stoke Space just landed $260 million to disrupt the reusable rocket industry. The Kent, Washington-based rocket launch ...

Blue Origin has shared a video recap of last week's maiden launch of the New Glenn, including dramatic close-up footage of the rocket leaving the launchpad.