Live coverage: Soyuz crew returns to Earth

Europe’s Sentinel 3B environmental satellite was shipped to the Plesetsk Cosmodrome in Russia’s far northern Arkhangelsk region in March for a month-long campaign to prepare the spacecraft for liftoff aboard a Rockot launcher.

An Airbus-owned, German-built outdoor science deck is set for launch Friday night from Cape Canaveral aboard a SpaceX Dragon cargo capsule, heading for the International Space Station to make the orbiting research outpost more accessible for commercial space experiments.

Space station commander Jeff Williams and astronaut Kate Rubins plan to carry out their second spacewalk in two weeks Thursday, venturing back outside to retract a cooling radiator, install a high-definition TV camera, replace a burned-out light and inspect struts attached to a large solar array rotary mechanism.