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 ...

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

Andrew Duggleby, co-founder and CTO of Venus Aerospace, discusses their groundbreaking propulsion technology. They have a ramjet integrated with a rotating detonation rocket engine (RDRE) which they ...

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 ...

The rise of the commercial space industry precipitated a steeper decline at Rocketdyne. Boeing sold the Rocketdyne division ...