This 2-foot-long, black-masked member of the weasel family once occurred in central grasslands and basins from southern Canada to Texas but is now one of the most endangered mammals in North America.

Like polar bears on the opposite pole, emperor penguins endure unfathomable hardships to breed and nurture each new generation — fasting for months through the planet's harshest winter. If their ...

WASHINGTON— In response to a petition from the Center for Biological Diversity, the U.S. Fish and Wildlife Service today announced that Africa’s elephants may qualify for “endangered” status under the ...

LAS VEGAS— A Nevada state court judge today granted the Center for Biological Diversity’s motion to challenge a lawsuit filed by rancher Cliven Bundy, who wants to seize more than 58 million acres of ...

GRAND CANYON NATIONAL PARK, Ariz.— For the first time since the 1940s, a gray wolf is roaming the North Rim of the Grand Canyon. The wolf, which is wearing an inactive radio collar, is likely a gray ...

BOISE, Idaho— Five conservation groups filed a lawsuit in federal court today challenging the U.S. Department of Agriculture’s Wildlife Services’ killing of gray wolves in Idaho. The agency killed at ...

IMPERIAL VALLEY, Calif.— New surveys show a 27-percent drop in the number of breeding burrowing owls in California’s Imperial Valley and provide some of the most striking evidence yet that the species ...

SILVER CITY, N.M.— Just two weeks after a legal challenge by the Center for Biological Diversity, the U.S. Fish and Wildlife Service has rescinded a permit it had granted itself and other federal and ...

LONDON (Reuters) - The world is running out of time to make sure there is enough food, water and energy to meet the needs of a rapidly growing population and to avoid sending up to 3 billion people ...

ST. PETERSBURG, Fla.— Following a 2011 agreement with the Center for Biological Diversity, the U.S. Fish and Wildlife Service proposed Endangered Species Act protection today for the Florida bristle ...

WASHINGTON— The Center for Biological Diversity sued the Trump administration today for refusing to release public records on its denial of protection for imperiled Pacific bluefin tuna. After the ...

JACKSON, Miss.— The U.S. Fish and Wildlife Service today proposed to protect 338,100 acres of critical habitat in Mississippi and Alabama for black pine snakes, whose southeastern, longleaf pine ...