Live coverage: Mission control loses contact with Indian moon lander

Two U.S. Air Force cargo planes delivered the Mars 2020 rover, cruise stage, descent module and the Mars Helicopter to the Kennedy Space Center in Florida this week for final assembly, fueling and mounting atop a United Launch Alliance Atlas 5 rocket in preparation for liftoff in July.

The United Launch Alliance Delta 4 rocket has taken off tonight from Cape Canaveral, headed for space to deploy a satellite bought by allied nations to bolster the U.S. military global communications infrastructure.

Two NASA spacecraft — the OSIRIS-REx asteroid sample return mission and the New Horizons probe at the edge of the solar system — have captured their first looks at their targets as they approach a pair of primordial relics for the first time.