A former NASA engineer claims a new engine can beat gravity without fuel. Is it a breakthrough or just a classic physics trap ...

REDSTONE ARSENAL, Ala. (July 23, 2025) – The U.S. Army Redstone Test Center’s Propulsion Test Division has long served as the Army’s premier static test facility, boasting a rich history of evaluating ...

The community is taking maneuver more seriously — and that shift is overdue. But the maneuver conversation still carries a blind spot: Propulsion is treated too generically. Whether a spacecraft can ...

Space startup General Galactic aims to fly a satellite using only water for in-orbit propellant. The 1,100-pound satellite could validate two separate methods for water propulsion when it flies to ...

RTX reached a full-power test milestone on its hybrid-electric propulsion demonstrator, achieving 1MW motor rated power, according to a June 19, 2023 company release. The test validated the company’s ...

SAIC has secured a $241.7 million indefinite-delivery/indefinite-quantity contract from the Naval Undersea Warfare Center Division Newport to provide maintenance and ...

Airbus is encouraged by preliminary data analysis of CFM’s RISE engine but the airframer’s propulsion engineering chief insists that the open-rotor technology has still to cement its case for ...

The Defense Advanced Research Projects Agency (DARPA) has picked three big space companies for the first phase of a larger project to test nuclear propulsion above low Earth orbit by 2025. General ...