Photos: Atlas 5 rocket aims for International Space Station

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.

Take an aerial 4K video tour of the Crew Dragon atop the Falcon 9 rocket on launch pad 39A at the Kennedy Space Center during earlier pre-launch testing.

Ten small high-resolution observation satellites for Satellogic — an Argentine company in the midst of deploying a fleet of Earth-imaging spacecraft — successfully launched Friday on a Chinese Long March 6 rocket.