Watch SpaceX doused a steel plate with water and then blast Raptor engine fire into it. The private spaceflight company's ...

A vacuum Raptor engine was recently test-fired after being "chilled to mimic conditions after a long coast period in space," according to SpaceX. Previously, a Raptor was tested to demonstrate the ...

In a welcome return to active flight vehicle testing after setbacks and facility upgrades, SpaceX made strong progress with ...

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,” ...

After spectacular back-to-back upper stage failures in January and March, SpaceX launched another Super Heavy-Starship rocket Tuesday on the program's ninth test flight, but ran into fresh problems ...

With the upcoming launch, SpaceX is eager to prove Starship V3’s readiness for more ambitious test flights, including an important orbital refueling experiment considered a stepping stone toward ...

The much-awaited sixth test flight of the Starship commenced earlier today and it yet again ended on a high note for the company, as not only was it successful in retrieving both spacecraft, but it ...

WASHINGTON — The failure of SpaceX’s Starship on its most recent test flight had a different root cause than the previous failure, despite happening at about the same time. SpaceX released details May ...

SpaceX is getting closer to launching the world's largest rocket once again on a critical flight test later in May. Were the Starship vehicle to launch in the coming weeks, it could come more than two ...

In response to a query from Ars about the engine test anomalies, Rocket Lab Chief Executive Officer Pete Beck downplayed concerns.

SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and testing) which is over 300 times ...