United Launch Alliance suffered an apparent issue with one of the solid rocket motors of its newest Vulcan rocket during a mission for the US Space Force on Thursday morning.

United Launch Alliance said it is reviewing data after one of the solid rocket motors on its Vulcan rocket appeared to experience a problem during a U.S. Space Force mission early Thursday. The ...

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 ...

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

A United Launch Alliance Vulcan rocket carrying classified Space Force payloads suffered a booster problem but apparently ...

A ULA Vulcan rocket launched a Space Force mission, but an unexpected light show from its boosters sparked questions. Here's ...

Brunswick space company bluShift, which launched its first rocket in 2021, will now sell its bio-fueled engines to meet a growing demand.

Add Yahoo as a preferred source to see more of our stories on Google. A Boeing-Saab ground-launched small diameter bomb is fired during a test at Andoya Test Center in Norway. (Courtesy of Boeing/Saab ...

Plasma engines could be the future of human space travel, and Russia’s “manetoplasma rockets” have the most ambitious travel goals ...

The U.S. Department of Defense said Tuesday that it will invest $1 billion in L3Harris Technologies rocket motor business, a first-of-its-kind deal the department says is vital to expanding production ...