As the rising sun illuminated clouds in pinkish hues, United Launch Alliance's Vulcan rocket bolted off the pad Friday ...

The nozzle fell off one of Vulcan's two solid rocket boosters around 37 seconds after taking off from Cape Canaveral Space Force Station on October 4. There were some indications of a problem with ...

The rocket suffered an anomaly when a solid rocket booster nozzle fell off mid-flight, but the rocket still reached orbit. The FAA may or may not decide the flight was successful. If it was ...

United Launch Alliance (ULA) will soon close out production of its Atlas V rocket, completing a stock of 15 boosters set to fly on contracted missions. With ULA’s future focus on the Vulcan rocket, ...

The Cert-2 launch October 4 overcame an anomaly on one of Vulcan's strap-on solid rocket boosters, which lost its exhaust nozzle but kept firing with degraded thrust. The rocket's twin BE-4 main ...

See those two big gouts of flame in the photo up above? Those are firing GEM 63XL solid rocket boosters (SRBs), built and supplied to ULA by Northrop Grumman (NYSE: NOC). They give the Vulcan ...

However, he said crews are looking into "an observation" involving one of the two solid rocket boosters — a bright shower of sparks was seen flying from near the Vulcan's fiery plume about 38 ...

However, the Federal Aviation Administration is assessing an anomaly that involved one of the Vulcan's two solid rocket boosters — a bright shower of sparks was seen flying from near the Vulcan's ...