Top news for December 21, 2008

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Scientists confirm decrease in Pluto's atmospheric density

Late Persistence of Human Ancestors at the Margins of the Monsoon Zone in India

3, 2, 1 ... action! Russia launches film crew to shoot movie on space station

Nobel Prize in Physics Awarded to Scientists Whose Work Helps Predict Global Warming

Physics Nobel Honors Breakthroughs in Understanding Climate and Other Complex Systems

UAE to launch probe targeting asteroid between Mars, Jupiter

Adorable, bloodsucking sea parasite looks just like sushi

Working Overtime: NASA’s Deep Space Atomic Clock Completes Mission

Rocket launch today: SpaceX launching US spy satellite in morning liftoff

On this day in space! Oct. 14, 1947: Chuck Yeager smashes the sound barrier.