Video: Time lapse of ATV’s final departure from ISS

Presenting the results of an inquiry into a European Vega rocket failure last month, officials said Friday that misleading instructions and inadequate preflight checks caused teams to overlook wrongly-installed cables on the launcher’s upper stage steering system. Arianespace aims to resume Vega launches before the end of March.

Concern about a possible ammonia coolant leak Wednesday prompted astronauts on the International Space Station to evacuate the U.S. segment of the complex and shelter in the Russian portion of the outpost while flight controllers scrambled to untangle initially confusing telemetry.

SpaceX’s Falcon 9 rocket and Crew Dragon Endeavour spacecraft rolled out to pad 39A at NASA’s Kennedy Space Center on Friday. Hydraulics raised the 215-foot-tall rocket vertical on the historic launch pad in preparation for liftoff with four astronauts heading for the International Space Station.