SpaceX has halted its workhorse Falcon 9 rocket after a fresh second-stage anomaly, pausing one of the world’s most active ...

SpaceX has temporarily grounded its Falcon 9 rocket after an upper stage failed to deorbit as planned during a Feb. 2 launch.

SpaceX is pausing Falcon 9 launches after an issue with the rocket’s upper stage encountered at the end of a launch Feb. 2.

Once Elon Musk decided to build a reusable spacecraft to carry his dreams of Martian colonization, the engineers at SpaceX knew they would need a special engine for the world’s most powerful rocket.

During preparations for the stage's deorbit burn, SpaceX flagged what it called an off nominal condition. The company said the stage still behaved as designed and was safely passivated, a standard ...