Live coverage: Soyuz launches on 13th flight from French Guiana

SpaceX test-fired its next Falcon 9 rocket at NASA’s Kennedy Space Center on Saturday in preparation for the company’s 17th launch of the year, a mission tentatively set for liftoff Wednesday with a secretive payload named Zuma for the U.S. government.

Arianespace has announced OneWeb, the broadband Internet provider seeking to deploy more than 600 satellites into low Earth orbit, as the launch customer for the inaugural flight of the new Ariane 6 rocket in 2020.

Citing medical reasons, Russia’s space agency announced Wednesday that it is replacing two cosmonauts who were scheduled to fly on the next Soyuz mission to the International Space Station in April with backup crew members.