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, ...

Pangea Aerospace successfully fired an aerospike engine in a series of tests at a DLR facility in Germany in 2021. Credit: Pangea Aerospace WASHINGTON — Spanish propulsion startup Pangea Aerospace has ...

Engineers from Ohio State University are developing a new way to power rocket engines, using liquid uranium for a faster, more efficient form of nuclear propulsion that could deliver round trips to ...

Aerojet, a GenCorp (NYSE: GY) company, announced today that NASA has successfully completed altitude testing of Aerojet’s advanced 5500-lbf Liquid Oxygen (LOX)/Liquid Methane (LCH4) Rocket Engine at ...

A trip to Mars may be in the books for future astronauts, but current propulsion technology will have them floating in a spacecraft bound for the Red Planet for roughly six to nine months. Considering ...