Photos: Spacewalking Cosmonauts Upgrade Space Station (Aug. 2012)

Cosmonaut Works on Crane Outside ISS

NASA TV

Russian cosmonaut Yuri Malenchenko works on a crane outside the International Space Station's Poisk module during a spacewalk outside the International Space Station on Aug. 20, 2012.

Spherical Satellite to be Tossed by Cosmonauts

NASA

This NASA graphic shows the small, spherical satellite that cosmonauts Gennady Padalka and Yuri Malenchenko will toss into space during an Aug. 20, 2012, spacewalk outside the International Space Station.

Cosmonaut Spacewalkers for Aug. 20 Excursion

NASA

This NASA graphic shows veteran cosmonauts Gennady Padalka and Yuri Malenchenko who will perform a spacewalk outside the International Space Station on Aug. 20, 2012.

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Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.