Top news for December 21, 2008

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Dark matter could have helped make supermassive black holes in the early universe

Assure 2015

SpaceX Polaris Dawn Mission: Why a Billionaire Is Risking a Spacewalk

When A.I.’s Output Is a Threat to A.I. Itself

What to Know About E.E.E., a Rare Mosquito-Borne Illness

SpaceX delays Polaris Dawn astronaut launch until at least Aug. 30 due to bad weather

Antidepressants Are Seeping Into Fish Everywhere – And It's Changing Them

Earth’s Most Powerful Telescope Captures Black Holes in Unprecedented Detail

AI could let us talk to whales. Experts question if that's a good idea

Faulty Metabolism Could Be a Hidden Culprit Behind Aging And Disease