A hybrid-electric jet engine may seem as absurd as a horse-drawn Zeppelin, but GE Aerospace is ground testing a new ...

Initial ground trials of a hybrid-electric engine demonstrator support NASA's Hybrid Thermally Efficient Core (HyTEC) project.

To an untrained eye, the aircraft engine sitting outside of a Cincinnati facility in December might have looked like standard ...

The RL60 next generation cryogenic upper-stage rocket engine has achieved another set of milestones, as all major components have been independently tested and delivered to the assembly floor at Pratt ...

Researchers from NASA and GE Aerospace have conducted a power extraction test of a hybrid aircraft engine being developed under the space agency’s Hybrid Thermally Efficient Core, or HyTEC, program.

A qualification test of a Raptor 2 engine has resulted in a dramatic explosion at SpaceX’s McGregor facility. The company has yet to comment on the incident, but it’s unlikely to affect the upcoming ...

LONG BEACH, Calif.--(BUSINESS WIRE)--Rocket Lab USA, Inc. (Nasdaq: RKLB) (“Rocket Lab” or “the Company”), a global leader in launch services and space systems, today announced it has completed the ...

The two announcements highlight RTX's parallel work on both air-breathing and solid rocket propulsion technologies through its businesses. RTX made two propulsion announcements on Sept. 24, 2025, ...