U.S. officials say a Russian weapons test created the space junk now threatening the seven astronauts aboard the International Space Station.
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Spacewalking astronauts routed more than 300 feet of cable outside the International Space Station on Saturday, tricky and tiring advance work for the arrival of new American-made crew capsules.
NASA's new Orion spacecraft made a "bullseye" splashdown in the Pacific on Friday following a dramatic test flight that took it to a zenith height of 3,600 miles and ushered in a new era of human exploration aiming for Mars.