VIDEO: Expedition 42-43 mission preview

Three crew members departed the International Space Station on Wednesday and descended back to Earth, touching down in Kazakhstan aboard the Soyuz TMA-14M capsule at 10:08 p.m. EDT (0208 GMT Thursday).

Concern about a possible ammonia coolant leak Wednesday prompted astronauts on the International Space Station to evacuate the U.S. segment of the complex and shelter in the Russian portion of the outpost while flight controllers scrambled to untangle initially confusing telemetry.

Europe’s fifth and final Automated Transfer Vehicle departed the International Space Station for the last time Saturday, closing out one of the European Space Agency’s flagship programs as the bus-sized spaceship heads for a destructive re-entry Sunday.