Photos: Delta 4’s foggy launch

Flying with a reused first stage booster, a SpaceX Falcon 9 rocket climbed into orbit from Florida’s Space Coast early Monday with a commercial communications satellite for the Luxembourg-based operator SES.

Spaceflight Now editor Stephen Clark spoke live to International Space Station astronauts Shane Kimbrough and Megan McArthur about their mission Friday.

European engineers test-fired the world’s most powerful present-day single-segment solid rocket booster Monday in French Guiana, clearing a major development hurdle for the Vega-C and Ariane 6 launchers set for debuts in 2019 and 2020.