Video: Soyuz MS-01 leaves the space station for landing

Watch the post-launch news conference from the Kennedy Space Center following the successful launch of an Atlas 5 rocket on December 6, carrying the Orbital ATK Cygnus cargo ship bound for the International Space Station.

SpaceX’s Crew Dragon “Resilience” spacecraft and Falcon 9 rocket — stretching 215 feet long — are ready for rollout to pad 39A at NASA’s Kennedy Space Center in preparation for the launch of four astronauts Saturday night to the International Space Station.

Space station commander Jeff Williams and flight engineer Kate Rubins completed a smooth 6-hour 48-minute spacewalk Thursday, retracting a spare cooling radiator, installing two high-definition TV cameras and inspecting a massive solar array rotation mechanism that has experience subtle vibrations in recent months.