NASA officials cleared Boeing’s Starliner spacecraft for flight Thursday after a “thorough and comprehensive” review of the crew capsule’s readiness, setting the stage for final pre-launch preparations at Cape Canaveral ahead of liftoff Dec. 20 on an unpiloted demonstration mission to the International Space Station.

A commercial Cygnus freighter made a science-enabling delivery to the International Space Station today, bringing about 7,500 pounds of cargo to the outpost under NASA’s privatized logistics shipment program.

A collection of pad photos from the United Launch Alliance Atlas 5 rocket flight to deploy the Navy’s Mobile User Objective System communications satellite No. 4.