Live coverage: 400th Proton rocket takes off with Russian satellite

Turkmenistan’s first satellite has blasted off aboard a SpaceX Falcon 9 rocket from Cape Canaveral in Florida after a weather delay. Liftoff occurred at 7:03 p.m. EDT (2303 GMT).

Two NASA astronauts and an Italian flight engineer are sheltering in the space station’s Russian segment as mission control analyzes a possible leak of toxic ammonia coolant aboard the complex.

A Vega rocket has blasted off with Europe’s LISA Pathfinder tech demo mission, a probe heading to a station a million miles from Earth to test systems for a future gravitational wave observatory. Liftoff from French Guiana occurred at 0404 GMT Thursday (11:04 p.m. EST Wednesday).