Live coverage: Commercial Cygnus cargo craft arrives at space station

Bidding farewell to the International Space Station today, the commercial Cygnus cargo ship separated to a safe distance before igniting an intentional fire in microgravity like never before, all in the name of science.

NASA’s New Horizons spacecraft made a historic New Year’s encounter with an object nicknamed Ultima Thule in the Kuiper Belt a billion miles beyond Pluto. The NASA space probe passed Ultima Thule at a distance of around 2,200 miles (3,500 kilometers) at 12:33 a.m. EST (0533 GMT) on Jan. 1, making it the most distant planetary body ever explored up close.

SpaceX raised a Falcon 9 rocket vertical Tuesday on pad 39A at NASA’s Kennedy Space Center, positioning the launch vehicle for a flight Wednesday carrying 57 more Starlink Internet satellites and two commercial Earth-imaging microsatellites for BlackSky.