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Choose your favorite photograph of a vanishing world by National Geographic photographer Brian Skerry. Portraits of Planet Ocean opens in February 2013. Select your favorite image, scroll to the Bottom, and cast your vote below.

Alaska and other plaintiffs that include hunters and the California Cattlemen's Association are appealing a federal court ruling last year that upheld the Interior Department's 2008 designation of the bears as threatened because their icy habitat is melting away. Murray Feldman, a lawyer for Alaska and other appellants, told the U.S.

Zoos are inherently bizarre. The sheer thrill of seeing strange and exotic beasts is often tempered by the reality of the strange and artificial environments they're kept in, raising the question: Can they really be happy hanging out in those habitats?

An artist's concept of NASA's Curiosity rover searching for interesting samples on the Martian surface. CREDIT: NASA/ JPL-Caltech There's growing buzz about data gleaned by NASA's Mars rover Curiosity, specifically over the issue of methane detection on the Red Planet. On one hand, methane can be geological in origin.

In hotter climate, rice poses methane risk - Holy Kaw!

IOWA STATE (US) - Aphids not only have a unique ability to block the genetic defense response of soybeans, but they may also open the door for other pests to do even more damage to crops.

USC (US) - Scientists have discovered tiny, filamentous bacteria that link up like living power cables to transmit electrons thousands of cell lengths away. The Desulfobulbus bacterial cells, which are only a few thousandths of a millimeter long each, are so tiny that they are invisible to the naked eye.

By Alister Doyle OSLO (Reuters) - Pesticides used in farming are also killing worker bumblebees and damaging their ability to gather food, meaning colonies that are vital for plant pollination are more likely to fail when they are used, a study showed on Sunday.

By Jonathan Allen NEW YORK, Oct 23 (Reuters) - Pollution from factories and mines is putting the health of 125 million people at risk worldwide and is as dangerous in the developing world as malaria or tuberculosis, according to a report published on Tuesday by two environmental advocacy groups.