Live coverage of the countdown and launch of an International Launch Services Proton rocket with the Yamal 401 communications satellite for Gazprom Space Systems. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Mission Reports
Live coverage: NASA completes eight-minute Space Launch System hot fire test
NASA fired up four hydrogen-fueled main engines on the core stage of the first Space Launch System heavy-lift rocket Thursday in on a test stand in Mississippi, a redo of a crucial hot fire test that was cut short in January by technical issues. The engines burned more than eight minutes in an apparently successful test.
Falcon 9
Live coverage: SpaceX launches previously-flown rocket
A SpaceX Falcon 9 rocket, powered by a previously-flown booster, lifted off from NASA’s Kennedy Space Center in Florida at 6:27 p.m. EDT (2227 GMT) Thursday. The mission, which lofted the SES 10 communications satellite, marks the first time SpaceX has reused the first stage of one of its Falcon 9 launchers.
