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.