Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
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Pythons, Asian carp, and other invasive exotics are quickly becoming one of the most expensive problems facing the U.S. government.
Asian carp are now in Lake Michigan — and that’s not good news for the Great Lakes, says Conservancy scientist Lindsay Chadderton.
A sampling of great animal photos from January.
Video: Hundreds of miles of barbed-wire barriers are replaced to help with antelope migration.
Video: A woman in Quebec watches as her house cat scares off a bear that approached the home.
Scientists discover how small invertebrates named rotifers have avoided extinction -- despite not having sex for 30 million years.
Monarchs develop different wings for different migration patterns, researchers find.
Turning the world's largest landfill on Staten Island into a park is actually crippling the bird population.
Wild crows can recognize human faces -- and they are none too forgiving, new research shows.
Learn how to avoid treatments that may contain toxic chemicals and can harm pets and people.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.