There are only 10 or less of this little porpoise species left in the world. What can be done to save the vaquita?

America is home to incredible wildlife, but some species are dangerously close to extinction. From majestic eagles to rare ...

For a small fish only found in the San Francisco Estuary, the delta smelt has caused a lot of controversy over the years.

You've probably never seen a Calathus lundbladi ground beetle, but it's up to us to save these elusive little insects.

President Trump has already begun to introduce changes that weaken the Endangered Species Act, a cornerstone of U.S. conservation law.

A cloned black-footed ferret at the Smithsonian Zoo has given birth to two kits in an effort to conserve the endangered ...

Shortfin makos are the fastest sharks in the sea, but they're failing to outpace the scale of overfishing that is driving ...

For decades, conservationists have pushed for changes to U.S. 64, a busy two-lane highway to the popular Outer Banks that ...