Ariane 5

Live coverage: Ariane 5 launch aborted

The launch of a European Ariane 5 rocket was aborted moments after its main engine ignited Tuesday. The dramatic last-second hold was the first time an Ariane rocket launch was aborted after engine start since March 2011. Arianespace has not set a new target launch date for the mission, which will loft two U.S.-built communications satellites for Intelsat and B-SAT.

Falcon 9

Live coverage: Falcon 9 rocket soars into space from California

SpaceX launched its 12th Falcon 9 rocket of the year Thursday from California with Taiwan’s Formosat 5 Earth observation satellite. The two-stage rocket lifted off at 11:51 a.m. PDT (2:51 p.m. EDT; 1851 GMT) and deployed the Taiwanese-built spacecraft into polar orbit. The Falcon 9’s first stage booster successfully landed on a drone ship downrange in the Pacific Ocean.