Live coverage: Soyuz MS-14 docks at space station

NASA is sending into orbit Monday night a spacecraft to test a safer type of rocket fuel, an ultra-precise atomic clock that could change the way missions navigate in deep space, and an experiment to examine the resiliency of electronics to radiation.

A commercial communications satellite set for launch from Florida’s Space Coast on a SpaceX Falcon 9 rocket to beam broadband and television signals across the Asia-Pacific region will remain on Earth until at least Sunday night, 24 hours later than previously scheduled.

Christina Koch, veteran of six spacewalks outside the International Space Station — including the first all-female excursion — joined a Russian commander and an Italian flight engineer for a fiery plunge to landing in frigid Kazakhstan early Thursday, setting a new record for the longest single flight by a female.