Robert Zubrin talks about reducing the mass of SpaceX Starship by a factor of 5 for a Starboat mini-Starship. The linear dimensions would scale by the cube root of 1/5 ≈ 0.58. This gives a diameter of ...

Elon Musk says the next-generation Raptor engine that is robust enough not to require a heat shield. It will also have more thrust, higher Isp and many other improvements. Could make them faster, but ...

SpaceX CEO Elon Musk said on Wednesday that the Raptor engine of its Starship launch vehicle is not perfect and needs a few more changes. What Happened: “Still a few final touches to perfect Raptor,” ...

It was a phenomenal year for Elon Musk and SpaceX, as apart from its massive expansion of the Starlink internet satellites, the company also saw significant successes with its Starship program with ...

SpaceX has posted some incredible images showing the Super Heavy booster’s 33 Raptor engines as they powered the Starship rocket skyward at the start of the vehicle’s sixth test flight on Tuesday.