Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

America's national bird is doing great. The government's proposed cuts to nature protections could put that at risk.

They were kind of on a vacation, getting fed twice a day, with no stress of predators,” a university researcher said.

A tiny Tennessee fish called the Barrens darter has now wiggled closer to securing protections under the Endangered Species ...

Climate change jeopardizes endangered species’ habitats. Potentially jeopardizing them further is a federal proposal around ...

A new lawsuit filed against the U.S. Fish and Wildlife Service is seeking Endangered Species Act protections for a rare ...

In a landmark collaboration between science and education, six Hawaiʻi high school students have successfully produced the ...

Over 500 bird species could vanish in 100 years. Protecting habitats isn't enough. Targeted recovery efforts are crucial.

By Michelle Trauring On the surface, the northern long-eared bat, the Atlantic sturgeon and the rufa red knot do not have ...

The Blanchard’s Cricket Frog, once found in the wetlands of Ontario's Pelee Island, is being reclassified from endangered to ...

Ellen Spiegel discusses her story about how federal changes to the endangered species program will affect CT animals.