Video: NROL-37 payload and Delta 4-Heavy rocket prepped for launch

Riding the rails to the launch pad Wednesday morning, the Atlas 5 rocket was rolled out to Cape Canaveral’s Complex 41 for liftoff Thursday night to deploy four NASA satellites that will probe Earth’s magnetosphere for a high-priority research project.

Relive the launches and landings of the Air Force’s X-37B miniature space shuttle on Orbital Test Vehicle missions No.1, No. 2 and No. 3.

NASA’s acting administrator said Tuesday he does not expect Russian cosmonauts to start launching to the International Space Station on U.S. commercial crew vehicles until next year. A proposed agreement with Russia to ensure the space station is always staffed with an international crew is awaiting U.S. government approval.