Live coverage: Vega rocket launches with LISA Pathfinder

A European Ariane 5 rocket fired into a clear blue sky over French Guiana on Wednesday, delivering to space a powerhouse satellite for Australia’s government-backed $1.2 billion nationwide universal broadband network and Argentina’s second communications satellite.

Russian cosmonaut Anatoly Ivanishin, Japanese flight engineer Takuya Onishi and NASA astronaut Kate Rubins departed the International Space Station on Saturday and headed for a homecoming in Kazakhstan to wrap up a 115-day expedition in orbit. Undocking occurred at 8:35 p.m. EDT Saturday (0035 GMT Sunday), with an on-target landing more than three hours later at 11:58 p.m. EDT (0358 GMT).

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.