Atlas 5

Live coverage: Atlas 5 countdown and launch journal

The United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral at 7:05 p.m. EDT (2305 GMT) today to send NASA’s OSIRIS-REx spacecraft on a seven-year, 4.4-billion-mile mission to rendezvous with Asteroid Bennu and bring a sample of the primordial object back to Earth. Follow the mission in our live journal.

Atlas 5

Atlas 5/OSIRIS-REx launch timeline

Follow the Atlas 5 rocket’s ascent from Cape Canaveral’s Complex 41 launch pad to send NASA’s OSIRIS-REx on an interplanetary trajectory to intercept Asteroid Bennu and bring back a pristine sample. Launch is scheduled for Thursday at 7:05 p.m. EDT (2305 GMT).