The persistence of an already rare aquatic insect, the western glacier stonefly, is being imperiled by the loss of glaciers and increased stream temperatures due to climate warming in mountain ecosystems, according to a new ...
Loss of habitat and prey are putting African lions in danger of extinction, and the majestic creatures need protection in order to save their species, the US government said Monday.
Citing the threat from rat poisons spread around illegal marijuana plantations, federal biologists are proposing Endangered Species Act protection for West Coast populations of the fisher, a larger cousin of the weasel.
Conservation groups are urging a federal judge not to allow the state of Wyoming to regain control of wolves through a quick, administrative fix.
With two new deaths this year and no new calves since 2012, the population of endangered killer whales in the Puget Sound continues to decline.
A U.S. Fish and Wildlife Service official has ordered federal biologists to withdraw their conclusion that the last 300 wolverines in the continental United States deserve threatened species status.
The National Marine Fisheries Service is listing four distinct populations of a hammerhead shark species as threatened and endangered under the Endangered Species Act.
Environmental policy must respond to ever-changing conditions on the ground and in the water, but doing so requires a constant flow of information about the living world.
An international team of scientists studying Emperor penguin populations across Antarctica finds the iconic animals in danger of dramatic declines by the end of the century due to climate change. Their study, published today ...
Federal officials say a petition filed by the state of Alaska to remove some North Pacific humpback whales from protection under the Endangered Species Act merits a closer look.