Astronauts aboard the International Space Station are again without a working oxygen generator on Monday after a backup component failed over the weekend, said a NASA spokeswoman. The astronauts -- ...

The US Air Force is having problems with its stealth fighter. It’s a headache for its plans in the Asia-Pacific. The US Air Force’s most sophisticated fighter aircraft have been hobbled by unresolved ...

In what should have been the "home stretch" of their six-month orbital expedition, the crew of the international space station is struggling with new problems in their critical oxygen production ...

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The crew of the international space station started off 2005 with a familiar glitch, a malfunctioning oxygen generator that has led flight controllers to dip into air supplies aboard a recently ...