Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

SpaceX’s 22-story Falcon 9 rocket stands on Cape Canaveral’s Complex 40 launch pad Sunday, hours before the scheduled liftoff of a pair of commercial communications satellites for Eutelsat and Asia Broadcast Satellite.

NASA and SpaceX officials briefed the media Wednesday on the planned launch of a Falcon 9 rocket and Dragon cargo capsule on a resupply flight to the International Space Station.

SpaceX’s Falcon 9 rocket completed a prelaunch hotfire test at launch pad 39A at NASA’s Kennedy Space Center in Florida on Tuesday in a signifiant step before Sunday’s scheduled liftoff of a top secret U.S. government spy payload.