Reusable rockets have reshaped the economics of spaceflight by dramatically reducing the cost of launching payloads into orbit. Traditional rockets were single-use vehicles that burned up or crashed ...

Chinese researchers have been building a body of work on how solid rocket motors behave when ignited deep underwater, where extreme hydrostatic pressure fundamentally changes the way exhaust gases ...

Former SpaceX engineer, Halen Mattison, and his startup, General Galactic, are looking to revolutionize rocket propulsion by turning water into rocket fuel. Their ambitious project, discussed in ...