Rocket Lab will launch a scramjet-powered hypersonic vehicle for the U.S. military today (Feb. 25), and you can watch the liftoff live.

NASA is about to roll its Artemis II moon rocket back to the Vehicle Assembly Building to fix a helium flow issue that ...

Kratos brings more than 25 years of experience developing and producing small, affordable engines for UAS, drones, and missile platforms. GE Aerospace adds a century of expertise in propulsion ...

Isaacman reiterated the need for safety midway through Thursday’s fueling test, as he released a scathing report on Boeing’s Starliner capsule program that left two astronauts stuck for months aboard ...

Engineers are preparing the Ariane 64 rocket for its first launch. This powerful version of the Ariane 6 will carry 32 satellites for Amazon Leo’s broadband constellation on Thursday. Workers ...

Interstellar Technologies ZERO rocket engine test-fired at Hokkaido Spaceport in Taiki, Hokkaido. It is fueled by liquid biomethane. Credit: Space.com | footage courtesy: Interstellar Technologies | ...

Germany has awarded Polaris Spaceplanes a contract to develop and flight test a two-stage reusable hypersonic test vehicle that could double up as a spaceplane. The concept, built under the Hypersonic ...

A dress rehearsal countdown for NASA's Artemis II moon rocket, intended to clear the way for a possible February launch, ran into a variety of problems and ultimately was called off early Tuesday ...

SpaceX is scheduled to launch a Falcon 9 rocket from Florida on Valentine's Day, Saturday, Feb. 14. The rocket will carry 29 Starlink satellites into low-Earth orbit. Depending on conditions, the ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey. Photo: David Hall Elon Musk said SpaceX acquired xAI, a deal that ...

The He 112R was an experiment in extreme speed. Rocket propulsion promised unprecedented performance. It also introduced lethal risks. This video explains why the idea was both brilliant and ...