The race is on to win U.S. President Barack Obama's attention as he puts some final touches on his environmental legacy.
Utah: A coalition of five Indian tribes is leading an effort to designate 1.9 million acres in the southeast corner of the state as the Bears Ears National Monument.
A court in Mexico has freed a longtime anti-logging activist whose arrest was criticized by human rights groups.
Millions of Americans will spend the weekend hot under the collar as soaring East Coast temperatures and stifling humidity slapped excessive weather warnings on New York and Philadelphia.
A rare pygmy elephant with tusks growing downwards instead of up to give it a look like a saber-toothed tiger has been found in Malaysia, a wildlife official told AFP on Friday.
In the cold waters of the Arctic, a denizen of the deep lurked for centuries. Now scientists calculate that this female Greenland shark was the Earth's oldest living animal with a backbone.
More than a dozen animals live longer than we do. A new study estimates that at least one Greenland shark lived about 392 years, making it the longest-living animal with a backbone.
This July 1, 2005 file photo shows an island fox. Not long ago, these foxes native to the Channel Islands off the California coast teetered on the edge of extinction.
Inside a huge walk-in freezer in suburban Denver, a college student in a thick parka shoots a jolt of electricity through a 90-centimeter-long column of ice extracted from Antarctica.
Dismissing its neighbors' pleas, impoverished Laos is rapidly building a Mekong River dam that threatens fisheries crucial to millions of Southeast Asia's poorest people.