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

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 ...

Administrator Jared Isaacman cites ‘major progress’ since earlier discovery of liquid hydrogen leaking from rocket ...

The earliest date for the Artemis II lunar mission has been set thanks to ‘major progress’ made after a previous failed ...

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, ...

SpaceX halted Falcon 9 launches for a week while it investigated that issue, which was traced to a fuel leak in one of the booster's nine Merlin engines. This leak led to a fire shortly after ...

This will mark the seventh flight for the company's Alpha rocket, which had been grounded following a failed flight in April.

Butch Wilmore and Suni Williams, the two NASA astronauts "stranded" in space, came close to catastrophe because their spacecraft wasn't ready to fly, according to a scathing report by the space agency ...

The Vulcan rocket leapt off its pad at 4:22 a.m. EST, lighting up the Florida coast before a problem inside one of its ...

NASA released an independent investigation in Boeing's crewed flight test that launched in 2024. Hardware was not the most ...