Orion abort test post-launch briefing (members only)

The U.S. Navy has declared the primary orbit-raising system aboard its new MUOS No. 5 communications satellite failed, leaving controllers scrambling to design a rescue plan.

A package of communications and tech demo satellites for the U.S. Air Force rode a United Launch Alliance Atlas 5 rocket into an orbit more than 20,000 miles over the equator after liftoff from Cape Canaveral Saturday evening.

Astronauts have captured views of Hurricane Florence raging in the Atlantic Ocean and heading toward a likely landfall in the Carolinas on the U.S. East Coast, with one flight engineer calling the storm a “no-kidding nightmare.”