Top news for December 21, 2008

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Early riser: The sun is already starting its next solar cycle—despite being halfway through its current one

International Space Station: Live updates

See Extreme Surface Temperatures in Phoenix, Sacramento and Portland, Ore.

Hopes Raised For Future HIV Cure After Man Declared Free of Virus

Scientists Discover a Concerning Link Between Semen Quality And Obesity

Why is Jupiter’s Great Red Spot Shrinking? It’s Starving.

Scientists Found an Alarming Pattern in The Brains of Sleep-Deprived Kids

How Magic Mushrooms Can Change Your Brain Forever

Curiosity Cracked Open a Rock on Mars And Found a Huge Surprise

Crew 16 Returns to Earth After Successful Analog Mission at the Flashline Mars Arctic Research Station on Devon Island- The Mars Society