Live coverage of the countdown and flight of a Delta 4-Heavy rocket carrying NASA’s Orion space capsule on its first test flight in Earth orbit. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Falcon Heavy
Live coverage: SpaceX launches Falcon Heavy rocket from Kennedy Space Center
On the mission’s third launch attempt, SpaceX sent a Falcon Heavy rocket aloft at 8:26 p.m. EDT Sunday (0026 UTC Monday) from NASA’s Kennedy Space Center in Florida. The nearly five-hour mission to a near-geosynchronous orbit carried the first satellite for the ViaSat 3 space-based internet network, along with two smaller rideshare payloads.
Mission Reports
Live coverage: Irma knocks out power at Kennedy Space Center
After making landfall in South Florida, Hurricane Irma moved north over the state before losing strength and being downgraded to a tropical storm. NASA safety officials report the Kennedy Space Center lost electricity and water pressure during the storm, but a team of emergency personnel at the spaceport is safe.
Mission Reports
Live coverage: SLS core stage engines shut down early during critical hotfire test
A critical test-firing of the Space Launch System’s core stage engines cut off about a minute into a planned eight-minute burn Saturday on a test stand at NASA’s Stennis Space Center in Mississippi. The rocket’s four engines ignited at 5:27 p.m. EST (2227 GMT) for a test that was to pave the way for the core stage’s shipment to the Kennedy Space Center for launch preparations.