Photos: Dragon completes rendezvous with the station

Wrapping up a busy week on the International Space Station, a crew of three boarded their Soyuz landing craft and headed for Earth on Friday. Cosmonaut Gennady Padalka, the most experienced space crewman in history, was at the controls, along with Danish and Kazakh crew members, and landed in Kazakhstan at 8:51 p.m. EDT Friday (0051 GMT Saturday).

SpaceX is gearing up for the first commercial launch of its powerful Falcon Heavy rocket as soon as early April with a communications satellite for Arabsat, and the U.S. Air Force hopes the two side boosters from the Arabsat mission can be safely landed and reused for the military’s first Falcon Heavy mission this summer, an exercise officials said will help certify previously-flown hardware for future national security launches.

A Northrop Grumman Cygnus supply ship arrived at the International Space Station on Monday with more than 8,000 pounds of cargo, including new astronaut sleeping quarters, parts for the station’s toilet, and numerous biomedical and technology experiments.