Live coverage: Vega rocket launches with LISA Pathfinder

After several delays earlier this week, SpaceX conducted a hold-down test-firing of a Falcon 9 rocket at Cape Canaveral Friday evening in a key test before launch next week on a resupply mission to the International Space Station.

Check out photos of Europe’s Ariane 5 launcher in the starting blocks at its tropical spaceport awaiting liftoff with two commercial television relay stations.

Poor weather in the offshore recovery zone east of Florida forced SpaceX and NASA to delay the departure of an upgraded Cargo Dragon spaceship from International Space Station Monday. The capsule is bringing home several tons of research equipment, specimens, and other equipment.