NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

CAPE CANAVERAL, Fla. – A resupply mission to the International Space Station hit a snag Monday morning when the Cygnus XL spacecraft experienced an engine shutdown during its approach, NASA officials ...

GE and Lockheed ground tested a new air-breathing hypersonic jet engine capable of powering missiles to speeds well in excess ...

NASA’s Gateway is coming to life with a solar-powered spacecraft built to light it up—and move it around the Moon.

Space Nuclear Power Corporation, also known as SpaceNukes, has been named the industrial partner for developing an advanced fission reactor for nuclear electric spacecraft. The firm will collaborate ...

Melbourne-based L3Harris acquired the vast rocket engine company Aerojet Rocketdyne in 2023, but on Monday announced it was ...

L3Harris Technologies is selling a 60% stake in its space propulsion business to AE Industrial Partners for $845 million, ...

WASHINGTON (Reuters) - An uncrewed Northrop Grumman-built spacecraft in orbit experienced an issue with its main engine on Tuesday while attempting to reach the International Space Station to deliver ...

BREVARD COUNTY, Fla. — The Cygnus X-L spacecraft, launched earlier this week aboard a Falcon 9 rocket, has been delayed in reaching the International Space Station due to engine issues. The spacecraft ...

Astra is cutting 25% of its workforce and restructuring to focus more on its spacecraft engine business. It also said it raised $10.8 million in net proceeds from selling debt to investment group High ...

The rumble you will hear today, Monday, January 5 2026 is the sound of rocket engine hotfire testing. Hotfire testing — a ...

Defense contractor L3Harris Technologies struck a deal to sell a controlling interest in a business that makes engines that ...