Live coverage: European mini-shuttle back on Earth

A United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral at 8:29 a.m. EDT (1229 GMT) today to place NASA’s new tracking station into the sky. The data router will relay video, telemetry and science information from the space station and dozens of research satellites to a central ground terminal. Follow the ascent in our live journal.

SpaceX test-fired a previously-flown Falcon 9 rocket Monday evening on pad 39A at NASA’s Kennedy Space Center in Florida, setting the stage for a launch later this week carrying the Japanese-built, Qatari-owned Es’hail 2 communications satellite to orbit.

Ground crews towed a towering Ariane 5 rocket to its launch pad in French Guiana on Wednesday for final flight preparations before Thursday’s launch with spacecraft for two of the world’s top commercial satellite operators.