Q&A with Mimi Aung, Mars Helicopter project manager at JPL (members only)

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.

Five years after winning $1 billion from NASA to mount the first U.S. asteroid sample return mission, scientists and engineers will get their last look at the OSIRIS-REx spacecraft this week as it is closed up inside the nose cone of an Atlas 5 rocket for launch in September.

This time-lapse video shows a view of launch pad 39A as SpaceX’s Falcon 9 rocket and Crew Dragon spacecraft were raised vertical at the historic seaside complex Thursday, May 21, in preparation for liftoff on a piloted test flight to the International Space Station.