Top news for December 21, 2008

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First Female Director of NASA’s Marshall Space Flight Center To Retire

Astronomers discover mysterious 'Trojan' planets that share the same orbit

Stanford president resigns over manipulated research, will retract at least three papers

How to Protect Yourself from Smoky Wildfire Air

Extreme Heat Could Cost The U.S. Economy $100 Billion A Year

Sea Snakes See in Technicolor: A Reversal of Ancestral Vision Loss

Chinese Space Plane model being tested in JF22 detonation driven wind tunnel.

SpaceX aborts Starlink satellite launch with 5 seconds left in countdown

300th Day in Space: Frank Rubio on Track for a New U.S. Spaceflight Record

Exotic pentaquark particle found at CERN's Large Hadron Collider