Watch the Falcon 9 launch from pad 39A

Repair crews in Virginia have restored the Antares booster’s launch pad — damaged in an explosive rocket crash nearly one year ago — to flight-ready status as the Orbital ATK launcher moves toward a return-to-flight in 2016.

A SpaceX Falcon 9 rocket launches from launch pad 39A at the Kennedy Space Center, carrying the EchoStar 23 commercial television broadcast satellite into orbit.

Space station commander Scott Kelly and Kjell Lindgren carried out a busy but mostly trouble-free spacewalk Friday, routing ammonia coolant back to the prime radiator used by one of the lab’s solar arrays and bypassing a secondary radiator that was activated three years ago to help pinpoint a coolant leak.