JAXA mulls launching H3 test rocket in June after last year's failure

The Japan Aerospace Exploration Agency is considering launching a test model of its H3 rocket on June 10, following a failed ...
Hackaday

A Simple Simulator For Model Rocket Performance

When building a model rocket, it can be fun to get into the maths of it all—calculating the expected performance of your build, and then seeing how it measures up in the real world. To aid in that ...
Scientific American

See Astrobotic pull off a major test of its ‘ring of fire’ rocket engine

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...
NextBigFuture

Pulsar Fusion Achieves Initial Pulse Experiments and Targets Orbital Test in 2027 and Production Fusion Rocket in Early 2030s

Pulsar fusion is working to make a fusion propulsion system with about 10000-15000 ISP. This is about 25 to 40 times the ISP (exhaust speed and fuel efficiency) compared to chemical systems. There was ...