Photos: Atlas 5 rolls out for launch

After assessing any damage to the spaceport caused by Hurricane Dorian as it narrowly missed Florida’s east coast, NASA says the Kennedy Space Center will reopen for normal operations Friday. Teams rolled the Space Launch System’s mobile launch platform from pad 39B back into the cavernous Vehicle Assembly Building last week for safekeeping during the storm.

NASA’s Juno spacecraft sailed over Jupiter’s cloud tops early Monday, the fourth time the solar-powered probe has approached the giant planet and collected science data since its arrival last July 4.

A United Launch Alliance Delta 4 rocket blasted off from Vandenberg Air Force Base in California at 3:40 a.m. local (6:40 a.m. EST; 1140 GMT) today to place a secret payload into space for the National Reconnaissance Office. Follow the mission in our live journal.