Spacewalking astronauts tackle pump swap at space station

CAPE CANAVERAL, Fla. (AP) — Spacewalking astronauts carried out a high-flying, high-tech version of musical chairs Wednesday, rearranging pumps outside the International Space Station. Popping out early, NASA astronauts Drew Feustel and Ricky Arnold quickly swapped the positions of two spare ammonia pumps that are part of the space station’s critical cooling system. One pump […]