Live coverage of the countdown and launch of an Ariane 5 rocket with the Intelsat 33e and Intelsat 36 communications satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Falcon Heavy
Launch timeline for Falcon Heavy’s second flight
Mission Reports
Rapid-fire engine tests raise hopes for DARPA’s planned reusable spaceplane
A series of unprecedented back-to-back test-firings of a rocket engine originally developed for NASA’s space shuttle concluded earlier this month, giving engineers data crucial to achieving rapid 24-hour turnarounds planned for a U.S. military-funded reusable winged booster under construction at Boeing, government and industry officials said.
