Watch live as NASA launches the Perseverance Mars rover

Live coverage of the countdown and launch of an Atlas 5 rocket with NASA’s Perseverance rover heading for Mars. Text updates will appear automatically below. Follow us on Twitter.

NASA TV Broadcast

Live view of SLC-41

Spaceflight Now members can watch a live view of the pad before the start of NASA TV’s broadcast at 7 a.m. EDT (1100 GMT) on launch day. Join now.