US Astronauts Embark on Spacewalk

Astronauts from the U.S. space agency will begin a series of spacewalks Saturday to repair a faulty pump on the International Space Station. NASA says the two U.S. astronauts have attached snorkels to their spacesuits which they can use for breathing in case of a helmet water leak. A helmet worn by an Italian astronaut filled with water in July, causing him to nearly drown. Spacewalks have been suspended since then. NASA says the American astronauts will make three spacewalks - on...

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