Video: Soyuz launcher ready for rollout

Astronauts on the International Space Station are eager to begin unpacking 2.6 tons of supplies and experiments — including a package of belated Christmas gifts — after delivery aboard a SpaceX Dragon cargo capsule Monday.

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.

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.