Photos: Atlas 5 rocket soars from West Coast

When the next Delta 4 rocket flies in July, as well as all future ones to come, the enhanced RS-68A main engine will power the boosters off the launch pad.

A Polar Satellite Launch Vehicle lifted off Friday with 31 satellites on the first flight for India’s workhorse rocket since an August mishap that left an Indian navigation satellite unusable after reaching orbit.

The launch of a commercial Bulgarian television broadcast satellite from NASA’s Kennedy Space Center in Florida is set for Monday after SpaceX ran through a mock countdown Thursday and test-fired a previously-flown Falcon 9 rocket’s Merlin main engines.