Indian startup Astrobase is developing an advanced methane rocket engine using full-flow combustion, aiming for a reusable medium-lift launch vehicle and a maiden orbital launch by 2029.

Modern spaceflight rests on a deceptively simple idea: a machine that carries its own fuel and oxidizer, then hurls exhaust backward fast enough to push itself forward. The person who first turned ...

Russia’s space agency Roscosmos is in talks with Indian officials about selling its rocket engines to India and licensing their production, the agency’s head told state media Friday. “The main task is ...

There have been published papers by the Air Force Research Lab and NASA on rotating detonation engines having 10% or more efficiency gains. A rotating detonation engine (RDE) uses a form of pressure ...