Top news for December 21, 2008

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Polar bears could vanish by the end of the century, scientists predict

San Andreas Fault-like tectonics discovered on Saturn moon Titan

This Plucky Planet Outlasted Its Star’s Death

First Comprehensive Census of Cell Types in Movement-Controlling Area of the Brain

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

William Shatner's Blue Origin launch on New Shepard: Live updates

How to watch NASA's Lucy asteroid mission launch this week online

Largest Most ‘Recent’ Meteorite Impact Crater On Earth Found In China

CBD Gummies Benefits: Full Guide And Best Products