Live coverage: Soyuz capsule brings home station crew

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.

The heart of NASA’s first flight-ready Space Launch System heavy-lift rocket emerged from its factory in New Orleans Wednesday morning for a barge trip to the Stennis Space Center in Mississippi for an eight-minute test-firing of its space shuttle-era hydrogen-fueled engines.

SpaceX launched the Starlink 3-5 mission from California Thursday morning, following a last-minute abort Wednesday due to concerns about landing of the Falcon 9 rocket’s first stage booster on a drone ship in the Pacific Ocean. The Falcon 9 rocket lifted off from Vandenberg Space Force Base at 6:40 a.m. PDT (9:40 a.m. EDT; 1340 UTC) with 46 Starlink internet satellites.