Live coverage of the countdown and launch of a Rockot launcher with Europe’s Sentinel 3A environmental monitoring satellite. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
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Live coverage: Launch of Emirates Mars Mission rescheduled for Sunday
The launch of a Japanese H-2A rocket with the Emirates Mars Mission, a Mars orbiter developed in partnership between Emirati and U.S. scientists, was delayed Tuesday due to poor weather at the H-2A’s launch site on Tanegashima Island in southern Japan. Officials later announced that liftoff would not occur Thursday, again citing bad weather at the launch site. A new launch attempt is scheduled for Sunday, weather permitting.

Live coverage: Cygnus supply ship readied for station departure
After a 22-day stay at the International Space Station, an Orbital ATK Cygnus supply ship is set for departure Wednesday en route to a higher orbit for release of 14 CubeSats for commercial weather monitoring and technology demonstrations. The robotic Cygnus spacecraft is scheduled for release from the station’s robotic arm at 8:10 a.m. EST (1310 GMT) Wednesday.