New, Pink, and Rare New, Pink, and Rare Photograph courtesy Karen Gowlett-Holmes Using its fi...
Snails on Meth Have Sharper Memories A great pond snail clings to a plant stem (file photo). Brian Handwerk fo...
How Do Species Evolve? January 23, 2009--Two hundred years after Charles Darwin's birth, National ...
Lizards Evolving Rapidly to Survive D  Long legs and skittish behavior are recently evolved traits that allow nati...
New Climbing Catfish Identified January 22, 2009—This fish out of water is a newly identified species from...
San Francisco Zoo Closed After Tiger    visitor at the San Francisco Zoo visitor watches Tatiana, a Siberian ...
Squirrels Use "Snake Perfume" to Fool  Video stills show a ground squirrel chewing on a rattlesnake's shed skin an...
Monkeys, College Kids Score About the  Feinstein (pictured) was one of two adult female rhesus monkeys to perform ...
New Giant Rat, Pygmy Possum Discovered December 17, 2007—Mammal expert Martua Sinaga holds a 3-pound (1.4-kilogra...
Genetically Engineered Mice Don't Fea  A genetically modified mouse sniffs a cat in Tokyo in an undated photo. Us...

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