Science Space station may need emergency spacewalk if software patch fails

A faulty pump means the space station might have to scrap a scheduled resupply to perform an emergency spacewalk. NASA hopes a temporary fix will allow the resupply to go ahead.

By , Staff writer

Bill Ingalls/NASA/AP

NASA engineers appear to have found a way to restore a balky coolant pump on the International Space Station that may allow a station resupply mission to launch this week, as planned.