Libyan anti-government fighters sit by a fire to stay warm as they control a checkpoint on the outskirts of the southwestern town of Nalut, Libya, Monday. The town is currently in control of the Libyan anti-government forces. Lefteris Pitarakis/AP hide caption

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Lefteris Pitarakis/AP

Astronaut Steve Bowen works outside the International Space Station's Quest airlock during Monday's spacewalk. Bowen's spacewalk was unexpectedly extended by a computer malfunction. NASA TV hide caption

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NASA TV

A Gadhafi supporter simulates the salute portrayed in a photograph of Libyan Leader Moammar Gadhafi, as he and others stage a small rally on the stage of the Roman amphitheatre at the Sabratha archaeological site. Ben Curtis/AP hide caption

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Ben Curtis/AP

Astronauts aboard the space shuttle Discovery, seen here lifting off from Kennedy Space Center in Florida, are preparing to dock with the International Space Station Saturday. Stan Honda/AFP/Getty Images hide caption

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Stan Honda/AFP/Getty Images

Protesters run as they chant anti-Iraqi government slogans during a protest in Baghdad's Tahrir Square. Hundreds of demonstrators converged on central Baghdad as part of a rally inspired by uprisings across the Middle East and dubbed the "Day of Rage." Karim Kadim/AP hide caption

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Karim Kadim/AP