Spacewalking astronauts upgrade station with new batteries

CAPE CANAVERAL, Fla. (AP) — Spacewalking astronauts hooked up fancy new batteries Friday on the International Space Station’s sprawling power grid. NASA reported that all three lithium-ion batteries were up and running, a successful start to the space agency’s long-term effort to upgrade the aging solar power system. Before venturing out, Commander Shane Kimbrough and […]