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  Celestial show won’t be back until 2015

New rules to keep mercury from Calif. landfills

New California rules will require the makers of new thermostats to do a better job of keeping old ones containing the neurotoxin mercury out of landfills. Full story

click3: Watch the element mercury freak out

  The element mercury freaks out when introduced to different audio frequencies; Mother Jones examines the state of the criminal justice system: public defenders are overworkered, and poor criminal defendants pay the price; and a marine scientist documents her journey through Antarctica's Ross Sea, an

NASA Spacecraft Makes 1st Complete Map of Planet Mercury

The surface of the planet Mercury has been completely mapped for the first time in history, scientists say. Full story

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Articles

U.N. clinches global deal on cutting mercury emissions

Mercury's Water Ice Bodes Well for Alien Life Search

Mercury Photos Reveal Strange 'Pie Crust' Surface

Tycho Brahe died from pee, not poison

Mercury Craters Look Like Cookie Monster in NASA Photo

Mercury surface resembles rare meteorites

Tomb of China's first emperor still sealed

Let the moon guide you to elusive Mercury

Video

  Ice flourishes on planet near Sun

Scientists at NASA announced there is as much as a trillion tons of ice on both poles of Mercury, the planet closest to the sun. NBC’s Brian Williams reports.

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Related Photos

Mercury Dual Imaging System (MDIS) aboard NASA's MESSENGER mission shows the planet Mercury's surface
Mercury Dual Imaging System (MDIS) aboard NASA's MESSENGER mission shows the planet Mercury's surface

Mercury Dual Imaging System aboard NASA's MESSENGER mission shows the planet Mercury's surface in this image taken on April 23, 2013 and released on June 14, 2013. This image in particular highlights many basins near Mercury's terminator, including Bach crater. Many craters with central peaks and t

People look at a triple conjunction of the planets Venus, Jupiter and Mercury in New York
People look at a triple conjunction of the planets Venus, Jupiter and Mercury in New York

People look at a triple conjunction of the planets Venus , Jupiter and Mercury in the sky, in New York, May 26, 2013. REUTERS/Gary Hershorn (UNITED STATES - Tags: SOCIETY ENVIRONMENT)

A triple conjunction of the planets Venus, Jupiter and Mercury is seen in the sky over the Statue of Liberty in New York
A triple conjunction of the planets Venus, Jupiter and Mercury is seen in the sky over the Statue of Liberty in New York

A triple conjunction of the planets Venus , Jupiter and Mercury is seen in the sky over the Statue of Liberty in New York, May 26, 2013. REUTERS/Gary Hershorn (UNITED STATES - Tags: ENVIRONMENT SOCIETY)

A person sits on a park bench as a triple conjunction of the planets Venus, Jupiter and Mercury is seen in the sky in New York
A person sits on a park bench as a triple conjunction of the planets Venus, Jupiter and Mercury is seen in the sky in New York

A person sits on a park bench as a triple conjunction of the planets Venus , Jupiter and Mercury is seen in the sky in New York, May 26, 2013. REUTERS/Gary Hershorn (UNITED STATES - Tags: SOCIETY)