Top news for December 21, 2008

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Scientists say we’ve been looking in the wrong place for human origins

Life Without a Sun? Scientists Say It May Thrive on Rogue Planet Moons

Scientists Create Tiny “Nanolaser” That Could Revolutionize Future Computers

Mystery Deepens: Astrophysicists Say Dark Matter May Not Be One Thing

Clean Energy Companies Are Trying to Survive the Trump Era

He Helped Write the Clean Air Act. He Fears for Its Future.

Comet Alert: A Sungrazer May Soon Blaze After Sunset — Or Break Apart

How to watch NASA's Artemis 2 astronauts launch to the moon on April 1

Complete Guide To NASA’s Epic Artemis II Mission — Launching This Week

This Week in Science: Cloning Limits, Sperm in Space, And Much More!