Live coverage: Space station crew concludes 186 days in orbit

Europe’s Rosetta spacecraft — six months into its mission at comet 67P/Churyumov-Gerasimenko — made its closest flyby of the comet’s boulder-strewn nucleus Saturday, capturing photos and measurements to help scientists unravel how the duck-shaped body is evolving on its path around the sun.

Helium leaks and thruster issues prompted NASA to extend their stay aboard the space station indefinitely — Wednesday marked their 35th day in orbit — while engineers carry out tests and analysis to better understand what caused the problems and to make sure the spacecraft can safely being Wilmore and Williams home.

SpaceX launched another batch of 60 Starlink internet satellites Wednesday from NASA’s Kennedy Space Center in Florida. The broadband stations lifted off at 8:02 a.m. EST (1302 GMT) aboard a Falcon 9 rocket.