Wrapping up a six-month mission in orbit, three Chinese astronauts departed the Tiangong space station Saturday and landed in the remote Gobi Desert of northwestern China at 6:33 p.m. EDT (2233 UTC).

An Indian Polar Satellite Launch Vehicle lifted off at 0427 GMT Thursday (11:27 p.m. EST Wednesday) with 31 satellites from nine countries, with most of the smallsats coming from U.S. customers.

SpaceX’s fifth launch for Iridium’s upgraded mobile communications network occurred at 7:13 a.m. PDT (10:13 a.m. EDT; 1413 GMT) Friday from Vandenberg Air Force Base, California. The Falcon 9 rocket flew with a reused first stage, but SpaceX did not intend to recover the booster after Friday’s launch.