The investigation was launched by ULA, not the FAA. ULA also has a total of 70 launches on its manifest − 47 for Amazon's ...

Among the investors was André-Hubert Roussel, former CEO of ArianeGroup, who oversaw the development of Europe’s only ...

We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

The slowed-down video shows the rocket’s 33 Raptor engines firing up as the enormous 120-meter-tall vehicle leaves the launchpad. With the rocket pumping out a colossal 17 million pounds of ...

The new version of Starship will be tested again in four to six weeks. A third consecutive failure could indicate fundamental ...

Vortex cooling works by injecting oxygen into the combustion chamber tangentially, just inside the nozzle of ... a torch igniter for a much larger rocket engine. Fuel is injected into the front ...

The 184-foot-tall (56-meter) rocket lifted off from Kourou, French Guiana, at 11:24 am EST (16:24 UTC). Twin solid-fueled boosters and a hydrogen-fueled core stage engine powered the Ariane 6 through ...