Science Ticker
Space station pump fixed after two spacewalks
During a spacewalk, NASA astronaut Rick Mastracchio helps to identify the problem with a faulty coolant pump on the International Space Station.
NASA
After two spacewalks, astronauts on the International Space Station have repaired a degraded pump that removes excess heat from the earth-orbiting spacecraft. The fix let the crew restore power to labs, experiments and other electrical components on the space station.
