Q&A with Mark Mulqueen, Boeing’s space station program manager

A Russian Soyuz rocket and Progress resupply freighter are set for liftoff Monday on an accelerated, less-than-four-hour rendezvous with the International Space Station after last-minute launch scrubs prevented two similar fast-track approach attempts in recent months.

The United Launch Alliance Atlas 5 rocket stands poised for flight with the Air Force’s X-37B spaceplane and a batch of CubeSats including the LightSail. The rocket was rolled to Complex 41 on Tuesday in preparation for launch on Wednesday.

Water molecules have been directly detected across sunlit regions of the moon, not just in ultra-cold, permanently shadowed polar craters, scientists announced Monday, indicating the precious resource may be more easily accessible to future astronauts than previously thought.