Live coverage of the Orbital ATK Cygnus cargo ship arriving at the International Space Station. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
(Rendezvous webcast begins at 4:30 a.m. EDT / 0830 GMT)
Falcon 9
Replacements for GRACE gravity and climate satellites ready for launch
A pair of European-built, NASA-backed research satellites set for launch Tuesday from California will extend 15 years of global gravity field measurements collected by the GRACE mission before it ended last year, supplying scientists with data to help track the melting of Earth’s ice sheets and chart the impacts of floods and droughts.
Mission Reports
Station astronauts complete tedious spacewalk
Space station commander Scott Kelly and Kjell Lindgren carried out a tedious seven-hour 16-minute spacewalk Wednesday, installing cables needed for a new docking mechanism, mounting insulation panels on a physics experiment to improve cooling and lubricating the latching mechanism of the station’s robot arm.