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International Space Station Spacewalk

After Near-Fatal Mishap, Astronauts' Helmets Get Low-Tech Fix | Robert Z. Pearlman | Posted 12.20.2013 | Science

HOUSTON — Astronauts preparing to spacewalk outside the International Space Station are outfitting their spacesuits with an unusual device: a makesh...

WATCH LIVE: ISS Astronauts Spacewalk

Posted 07.09.2013 | Science

It's not every day viewers get to follow along as astronauts work in space. But on Tuesday, NASA streamed a live video feed as two astronauts stepped ...