Live coverage: Two satellites lift off aboard Ariane 5

Follow the major events during the launch of Europe’s LISA Pathfinder gravitational probe testbed, from liftoff of its Vega rocket booster from French Guiana through deployment into its initial orbit.

SpaceX launched a Falcon 9 rocket from Cape Canaveral at 4:10 p.m. EDT (2010 GMT) Tuesday on the company’s first mission dedicated to the newly-established U.S. Space Force. The Falcon 9 carried a GPS navigation satellite into orbit.

An Antares rocket carrying the Cygnus cargo ship has exploded moments after lift off from Wallops Island, Virginia.