Top news for December 21, 2008

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Alpha particles and alpha radiation: Explained

Custom Cat Portraits: Complete Guide

On This Day In Space: Nov. 18, 2013: NASA launches MAVEN orbiter to Mars

Ukraine invasion's impacts on space exploration: Live updates

The Man Who Controls Computers With His Mind

Scientists Discover 830-Million-Year-Old ‘Pickled’ Microorganisms

See The Jaw-Dropping First Image Of The Black Hole At The Heart Of Our Galaxy Just Revealed By Astronomers

Proposed Southern California Desalination Plant Could Do More Harm Than Good

Dealing With Uncertainty Is A Science: Make It Work For You

Comparison of the sizes of two black holes: M87* and Sagittarius A*