The U.S. section of the International Space Station has been evacuated due to a possible leak of ammonia from the cooling system, NASA officials…
Two astronauts have carried out an eight-hour spacewalk to try to repair a cooling system on the International Space Station but were only partially successful. Douglas Wheelock and Tracy Caldwell Dyson hammered away and finally removed the unit’s hoses but could not replace the bulky item as scheduled. Two walks were always planned […]
