Moments after liftoff from Florida’s Space Coast early Thursday morning, a shower of sparks emerged in the exhaust plume of United Launch Alliance’s Vulcan rocket. Seconds later, the rocket twisted on ...

Japan’s flagship H3 rocket has suffered a fresh setback, with an engine failure in its upper stage cutting short a high‑stakes mission and leaving a navigation satellite stranded short of orbit. The ...

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

SpaceX halted Falcon 9 launches for a week while it investigated that issue, which was traced to a fuel leak in one of the ...