Live coverage: SpaceX Falcon Heavy launches NASA’s Psyche on mission to a metal asteroid

A Falcon 9 rocket powered by a first stage booster recovered after a launch in July is being readied for another flight Thursday from NASA’s Kennedy Space Center in Florida.

Two South Korean Earth-watching satellites will ride Ariane 5 rockets into orbit in 2018 and 2019 after Arianespace beat SpaceX in a competition to launch the spacecraft.

SpaceX launched 57 Starlink broadband satellites and a pair of Earth observation smallsats for BlackSky on top of a Falcon 9 rocket at 1:12 a.m. EDT (0512 GMT) Friday. The 90th launch of a Falcon 9 rocket took off from pad 39A at NASA’s Kennedy Space Center in Florida.