NASA's Artemis II mission will launch with SLS rocket engines that have flown multiple times on past space shuttle missions.

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 ...

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 ...

However, there are two major problems with nuclear rockets. First, the heat generated has to be carefully controlled if you don't want the engine to end up simply melting. The other is how to control ...