Astronauts go on spacewalk to grease robot arm’s new hand
CAPE CANAVERAL, Fla. — Spacewalking astronauts hustled through a lube job and camera swaps outside the International Space Station on Tuesday, their second trip outside in less than a week. Astronaut Mark Vande Hei made fast work of greasing the big robot arm’s new hand. Vande Hei and station commander Randy Bresnik replaced the latching...