Top news for December 21, 2008

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RFK Jr. Allies Target States to Overturn Vaccine Mandates for Schools

Trump Erased the Endangerment Finding. Here Come the Lawsuits.

Rocky planet discovered in outer orbit challenges planet formation theory

Astronomers watch a massive star collapse into a black hole without a supernova

What a Speech Reveals About Trump’s Plans for Nuclear Weapons

Constant Sexual Aggression Drives Female Tortoises to Walk Off Cliffs

Biochemical parameters in patients with diabetic nephropathy versus individuals with diabetes alone, non-diabetic nephropathy, and healthy controls - EurekAlert!

In Cordoba, the grass pollen season has grown longer over the last 23 years - EurekAlert!

SpaceX Dragon astronauts make Valentine's Day docking at space station to boost skeleton crew (video)

This Week in Science: Mars Molecules, a Cholesterol-Cutting Compound, And More!