Live coverage: Soyuz sends Russian and two Americans to space station

A prototype space lab module for China’s planned space station re-entered the atmosphere over the South Pacific Ocean Friday to end a nearly three-year mission that included a visit from Chinese astronauts and an in-orbit refueling demonstration.

Stormy weather near NASA’s Kennedy Space Center kept SpaceX’s Falcon 9 rocket on the ground Thursday, delaying liftoff of a commercial supply ship with equipment and experiments for the International Space Station until Saturday.

The Centaur upper stage launching the Cygnus space freighter Tuesday persevered through a velocity shortfall from the first stage of the Atlas 5 rocket, improvising with a longer firing to reach the correct orbit.