Top news for December 21, 2008

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NASA Study Finds Life-Sparking Energy Source and Molecule at Enceladus

Road Map for U.S. Particle Physics Wins Broad Approval

Mary Cleave, Who Glimpsed a Blighted Earth From Space, Dies at 76

NASA Unveils Mind-Blowing Video of Orion Spacecraft Blazing As It Returns to Earth

Entropy is the Key to a Planet’s Habitability

Hubble View Of Runaway Black Hole Leaves Massive Streak Of Stars In Its Wake

Voyager 1 Is Returning a Mishmash of 1s And 0s From Space. NASA Is Baffled.

Why Your Heart Might Soon Heal Itself After a Heart Attack

Morning Person? You Might Have Neanderthal Genes to Thank.

JWST Discovers Record-Breaking Brown Dwarf So Small It Defies Explanation