![](<iframe style="border: 0; outline: 0;" src="http://cdn.livestream.com/embed/spaceflightnow?layout=4&color=0xe7e7e7&autoPlay=false&mute=false&iconColorOver=0x888888&iconColor=0x777777&allowchat=true&height=408&width=768" width="768" height="408" frameborder="0" scrolling="no"></iframe>)
(Launch webcast begins at 4:30 p.m. EDT)
Mission Status Center
Live coverage of the United Launch Alliance Atlas 5 rocket flight with NASA’s OSIRIS-REx asteroid sample return probe. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
