(AP) -- NASA kept close tabs on an old piece of space junk Monday that threatened to come too close to the international space station as the shuttle Discovery raced toward the orbiting outpost for a 220-mile-high linkup.
(AP) -- NASA kept close tabs on an old piece of space junk Monday that threatened to come too close to the international space station as the shuttle Discovery raced toward the orbiting outpost for a 220-mile-high linkup.