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

Ready for a flight to the International Space Station, SpaceX’s first upgraded Dragon cargo capsule rolled out to pad 39A at NASA’s Kennedy Space Center in Florida this week in preparation for launch on top of a Falcon 9 rocket.

Watch a replay of the static fire test of a SpaceX Falcon 9 rocket Tuesday at Cape Canaveral’s Complex 40 launch pad. SpaceX is preparing to launch the rocket Dec. 4 on a space station resupply mission.

Europe’s LISA Pathfinder mission crafted to demonstrate the ability to detect gravitational waves — theorized ubiquitous cosmic signals that have so far eluded discovery — has arrived at its operating post around the L1 Lagrange point nearly a million miles from Earth.