Video: NASA mission launched to return sample of asteroid

Two NASA astronauts, a Japanese flier and a Russian cosmonaut plunged back to Earth Saturday, safely splashing down in the Pacific Ocean near San Diego to wrap up a five-month mission.

A SpaceX Falcon 9 rocket loaded with 10 Iridium Next communications satellite is awaiting a predawn launch Wednesday from Vandenberg Air Force Base, California.

A SpaceX Falcon 9 rocket climbed away from Cape Canaveral early Sunday, and its first stage booster returned to a drone ship parked in the Atlantic Ocean after sending a heavyweight commercial communications satellite toward orbit for Telesat.