Environmental groups have called the USDA's plan a "sweetheart deal" for ranchers at the expense of Arizona's public lands.

A new study shows for the first time that biological invasions don't change ecosystems in a single, uniform way. Some impacts ...

With healthy populations of animals that disperse seeds, tropical forests can absorb up to four times more carbon.

A rare North American bumble bee may have been on a path toward extinction long before modern human impacts, suggesting that ...

"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack Hatfield.

Safeguarding biodiversity is not simply an environmental concern but a foundational element of preventive and clinical care.