Live coverage: Proton rocket launches with Turksat 4B

A United Launch Alliance Atlas 5 rocket blasted off from Cape Canaveral at 8:38 a.m. EST (1338 GMT) Friday to place the Global Positioning System 2F-12 navigation satellite into space. Follow the mission in our live journal.

Veteran Soyuz commander Yuri Malenchenko, outgoing space station skipper Tim Kopra and British astronaut Tim Peake departed the International Space Station early Saturday aboard the Soyuz TMA-19M capsule and landed in Kazakhstan at 0915 GMT (5:15 a.m. EDT).

Shuttle veteran Scott Kelly first heard about NASA’s plans to send an astronaut to the International Space Station for nearly a full year shortly after he completed his third space flight in 2011, a 159-day stay aboard the orbital lab complex.