Space station crew dons protective gear (AP)

HOUSTON - International space station astronauts pulled an alarm and donned protective gear Monday after smelling a foul odor that turned out to be a chemical leaking from an oxygen vent, NASA " /> SEARCH News | News Photos | Images | Web " /> NASA said. "We don't exactly know the nature of the spill ... but the crew is doing well," said Mike Suffredini, NASA's space station program manager. "It's not a life-threatening material." The crew first reported smoke but it turned out to be an irritant ...