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FCC Chairman Julius Genachowski; Getty file photo Tuesday's Federal Communications Commission vote on new rules regulating the Internet went much as expected, with commissioners Mignon Clyburn and Michael J. Copps voting with Chairman Julius Genachowski in favor of the…

Getty Images Last night, for the first time in 372 years, the winter solstice coincided with a total lunar eclipse. For three hours and 28 minutes in the wee hours of Tuesday morning, the earth's umbral shadow crept across…

A pelican rests on an oil retention boom on July 25, 2010 near Grand Isle, Louisiana. Photo by Mario Tama/Getty Images. Attorney General Eric Holder and EPA Administrator Lisa P. Jackson announced a major lawsuit against BP, Transocean and other…

Dec 14

As a cold front settles across the Eastern seaboard, we turn wistfully to thoughts of the sun for this week's Just Ask! science post. This one comes from a reader, Amanda Teicher, who wants to know: "How does sunscreen work?"…