Earth Day was first celebrated on April 22, 1970, one year after an oil spill off the coast of Santa Barbara, Calif. leaked 100,000 barrels of oil into the ocean. At the time, it was the largest oil spill in…

On Monday, Jared Loughner, the alleged shooter in the Jan. 8 rampage that left 6 dead and 13 injured in Tucson, Ariz., was arraigned in federal court in Phoenix. He faces five federal charges: attempted assassination of a…

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