US astronauts

WASHINGTON: Two American astronauts on Thursday completed a lengthy spacewalk to replace old hoses on the the International Space Station's cooling system and make other equipment upgrades, footage from the US space agency NASA showed. The walk -- which lasted six hours and 10 minutes -- by flight engineers Drew Feustel and Ricky Arnold got off to a delayed start at 1333 GMT because leak checks for one of the astronaut's space suits took longer than expected, a NASA TV commentator said. But once outside of the space…

WASHINGTON: Two U.S. astronauts sailed through a seven-hour spacewalk outside the International Space Station on Thursday to pack up a spare cooling radiator and tackle other maintenance, a NASA TV broadcast showed.