Live coverage: Space station robot arm captures Dragon supply ship

SpaceX test fires a Falcon 9 rocket in readiness for its planned 8 September 2018 launch carrying the Telstar 18 VANTAGE communications satellite.

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.

Boeing engineers have completed hotfire testing on a flight-like model of the Starliner crew capsule, clearing a major hurdle before a pad abort test and a demonstration flight to the International Space Station later this summer, Boeing announced Friday.