Poor genetic exchange almost ended big cats. Driven off more than 95% of its historic range by hunting and development, the Florida panther population shrank to just a couple dozen cats in the 1990s.

Woolly mice and “dire wolves” are a distraction from attacks on endangered species, experts caution "De-extinction" takes center stage as environmentalists express dismay over erosion of the ...

Since passage of the Endangered Species Act 50 years ago, more than 1,700 plants, mammals, fish, insects and other species in the U.S. have been listed as threatened or endangered with extinction.

On September 4th, we celebrate National Wildlife Day, a summons to raise awareness and reverence for wildlife, particularly those in imminent danger. An endangered species is a plant or animal at ...

The main agency responsible for carrying out the act, the U.S. Fish and Wildlife Service, lists nearly 1,700 species endangered or threatened as of April 1. Nearly 1,400 species on the list have ...