The United States has a proud history of preserving its natural beauty through national parks. Each year, millions of ...

A critically endangered butterfly that lives in the southernmost part of Florida thrives in certain years. Researchers turned ...

A new Colorado State University study of the interior U.S. West has found that tree ranges are generally contracting in ...

As more and more "historical" checklists are added to the platform, birds we've lost now mingle with those still hanging on.

The Nicobar Islands are a biodiversity hotspot, home to unique species found nowhere else. Long isolated, these islands have ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

National Park Service officials haven't identified the person or people who illegally drove more than two miles across Eureka ...

MassWildlife officials updated the list “following an extensive review of population data and threats,” officials said.

This creature was once on the Endangered Species List, but thanks to conservation efforts of experts and landowners alike, a ...

Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and ...