Live coverage: Three-man station crew lands in Kazakhstan

Struggling with balky electrical connectors, spacewalker Mike Hopkins managed to plug in and secure three of four thick power and data cables Saturday that are needed by a European experiment platform, leaving one cable for additional troubleshooting.

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.

Poised to loft a Russian-German X-ray astronomy observatory into space Friday, a Proton rocket returned to its launch pad Tuesday at the Baikonur Cosmodrome in Kazakhstan after a three-week delay to replace a drained battery on the vehicle.