NASA astronaut Anne McClain performs the first series of tests of an Astrobee robot, Bumble, during a hardware checkout. To her right is the docking station that was installed in the Kibo module on the International Space Station on Feb. 15. Bumble, and another robot named Honey, launched to the space station on Apr. 17, aboard Northrop Grumman’s eleventh commercial resupply services mission from NASA’s Wallops Flight Facility in Virginia. When needed the robots will be able to return to their docking station on their own and recharge their battery power. Astrobee is a free-flying robot system that will provide...