On a lawn inside the Bronx Zoo, rows of headstones display multiple animal species, making for an eerie display during the ...

From giant sea monsters to recently vanished species, these incredible creatures once roamed our planet! Join us as we count ...

A Spelunker Thought She Found Trash in a Cave. It Was Actually Evidence of a Lost Civilization.

The Chathams sit roughly 785 kilometers (488 miles) east of mainland New Zealand and have long been a crucible of endemic ...

Trump plan puts profits ahead of protecting animals such as Florida manatees, sea turtles and North Atlantic right whales, ...

Researchers analyzing ancient fossils from caves across Western Australia have uncovered a completely new species of bettong ...

Every five years, a small group of biologists and environmentalists assemble in a large corner office in Springfield with long glass windows. Inside that room, they weigh in on the fate of every ...

Sharks have had a tough time since the 1970s, when overfishing, habitat loss and a growing trade in their fins began to cut ...

Few moments in paleontology are as exciting as the discovery of dinosaur eggs. These fragile and ancient specimens offer a ...

President Donald Trump's administration has delayed a decision on whether to extend federal protections to monarch ...

Two species of Chinook salmon will not be added to the federal endangered species list. In a report published Dec. 8, the ...

Join the conversation about the Endangered Species Act. Your voice matters in protecting endangered species from new threats.