Rockets are hard,” Elon Musk posted after a prior Starship explosion, and Tuesday’s ninth test flight provided a dramatic ...

These are hypergolic propellants ... in such a specific orbit requires flawless performance from each rocket stage, especially the GS2. The second stage determines whether the cryogenic engine can ...

When most people think of rockets, they likely imagine something like SpaceX's Raptor engine, or they might recall the Apollo 11 Saturn V rocket that took astronauts to the Moon. Rockets aren't ...

Timothy Hinerman, a program manager at Blue Origin, polishes up the nozzle of a BE-3U rocket engine during installation at Seattle’s Museum of Flight. (Museum of Flight Photo / Ted Huetter ...

Some rockets use hypergolic propellants, which spontaneously burn when combined, but most require ignition. A SpaceX Merlin engine being tested. Credit: SpaceX When a chemical rocket engine fires ...

The Stoke Space rocket engine test lights up a vertical test stand in Moses Lake, Wash. (Stoke Space Photo) Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test ...

Now, a Japanese rocket engine test has ended in disaster after the engines of a new smaller spacecraft exploded during a combustion test in southwest Japan. Engineers at Japan's Tanegashima Space ...

A test of an engine for Japan's upcoming Epsilon rocket ended in an explosion on Tuesday (Nov. 26), the second time in less than two years that this engine has met an untimely end during testing.

Hypergolic fuels, like hydrazine ... The company later acknowledged there had been a rocket engine anomaly during its launch. Now, a new book describes what happened after the Dragon was retrieved ...