HuffPost Science: ISS Astronauts Strike Out; Extinct Humans' DNA; Armstrong's Funeral

Friday, August 31, 2012

Spacewalkers Stymied By Balky Bolt

A stubborn bolt that prevented two spacewalking astronauts from properly installing a replacement power unit on the exterior of the International Space Station today (Aug. 31) will now require another spacewalk — possibly as early as next week — to attempt to resolve the problem, NASA officials said. Click the link above to learn more.

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