Live coverage: SpaceX launch moved up to Wednesday

A Falcon 9 rocket booster — under the power of a single Merlin 1D engine — descends toward a specially-outfitted ocean landing platform off Florida’s East Coast on Tuesday in a brief video clip released by SpaceX.

An Earth observation satellite China says will assist in land surveys, urban planning, and agriculture monitoring successfully launched Tuesday on a Chinese Long March 4C rocket.

Boeing’s first Starliner spacecraft designed to fly to the International Space Station rolled out of a converted space shuttle hangar before dawn Thursday.