Top news for December 21, 2008

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

On This Day In Space: May 25, 2008: NASA's Phoenix spacecraft lands on Mars

U.S. Is Under Pressure to Release Vaccine Supplies as India Faces Deadly Surge

Do We All Have A Built-In Moon Clock? How This Week’s ‘Super Pink Moon’ May Change How You Sleep Without You Knowing

Complete Chromosome 8 Sequence Reveals New Genes and Disease Risks

Natural Plant and Animal Surfaces Inspire Infection-Proof Engineered Implants

Biggest space station crowd in decade after SpaceX arrival

Shocking Study Finds That 97% of Earth’s Land Area May No Longer Be Ecologically Intact

Solar and wind can meet world energy demand 100 times over

Scientists Create World's First Truly Biodegradable Single-use Plastic That 'Eats Itself' in Just 2 Weeks