Planarians are a curious class of flatworms characterized by a simple, ladder-like nervous system. Some subspecies display ...

In this video, we take a look at 10 of the rarest animals in the world, whose very existence is under threat, as each of ...

Norah, a Baird's tapir born on July 23, is already mingling with capybaras, giant anteaters and swans in the Pantanal habitat ...

Nathaniel P. Reed Hobe Sound National Wildlife Refuge is split by the Indian River Lagoon into two tracts: the island tract ...

Last month, the lesser prairie chicken lost its federal protections after a yearslong legal battle between conservationists ...

WUHAN, China -- A dozen sleek grey Yangtze finless porpoises glide inside a vast pool at the Institute of Hydrobiology in ...

In July and August, researchers set up light traps in Cors Goch Nature Reserve in Anglesey in search of a rare caddisfly species called Limnephilus tauricus, according to a Sept. 17 news release from ...

Many of New Zealand's unique birds are heading toward extinction. So the country is taking on an ambitious conservation ...

Federal rules under the Endangered Species Act often treat landowners as adversaries. Recent court victories suggest a better ...

Florida’s wild icons—from panthers to butterflies—are vanishing fast, caught in the crosshairs of development and climate ...

"When we confirmed the eggs were fertile without any contact with a male, our jaws hit the floor," a U.K. zoo director said ...