The powerful Vulcan faces its biggest test yet as it prepares to launch on its second national security mission from Florida.

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 ...

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

United Launch Alliance suffered yet another fiery burn-through on one of its solid rocket boosters during a national security mission Thursday.

As a ULA Vulcan bolted into the early Thursday skies over Cape Canaveral, many witnessed a solid rocket booster issue.

Proton rocket returns to flight. After a nearly three-year break, a Russian Proton rocket flew again with the Elektro-L No. 5 meteorological satellite from Baikonur in Kazakhstan, Russian Space Web ...

The booster anomaly resulted in months of delays before the Space Force finally gave ULA the green light to begin launching its missions. Vulcan launched its first military payload in August 2025, ...

The Vulcan has launched on its second-ever national security spaceflight in what will be the biggest test yet for ULA's powerful rocket.

NASA conducted a full-scale static test fire of the Booster Obsolescence and Life Extension (BOLE) solid rocket motor - part ...

The latest test of a next-generation rocket booster for NASA’s Artemis moon program ended with a violent structural failure, abruptly cutting short what was supposed to be a carefully choreographed ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...