Stuck Bolt Forces Extra Spacewalk for Space Station Crew

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. NASA spaceflyer Sunita Williams and Japanese astronaut Akihiko Hoshide spent more than eight hours working outside the orbiting complex today... More

(Source: Space.com - Sep 1)