NASA astronauts head outside the space station to replace a Canadarm2 wrist joint that malfunctioned after 25 years in orbit

NASA astronauts head outside the space station to replace a Canadarm2 wrist joint that malfunctioned after 25 years in orbit Space Daily Astronauts Repair Canadarm2 Robotic Arm and Complete Spacewalk NASA (.gov) Astronauts ‘operate’ on space station’s broken robot arm Spaceflight Now Watch 2 NASA astronauts fix ISS' huge robotic arm during spacewalk today Space Netflix to stream next NASA spacewalk outside ISS. Watch live USA Today