Live coverage of the countdown and launch of the NASA’s Soil Moisture Active Passive environmental satellite aboard a United Launch Alliance Delta 2 rocket. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Atlas 5
Live coverage: Atlas 5 countdown and launch journal
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.
Mission Reports
Live coverage: United Arab Emirates probe arrives in orbit around Mars
The Emirates Mars Mission, the first deep space probe from the Arab world, steered into orbit around the Red Planet on Tuesday to cap a 307 million-mile (494 million-kilometer), 205-day interplanetary voyage from Earth and begin a science mission studying the Martian climate. The critical 27-minute Mars Orbit Insertion maneuver began at 10:30 a.m. EST (1530 GMT).