New photographs reveal that the National Butterfly Center in Texas is also home to an amazing array of 200 bee species — some of which exist nowhere else in the United States.

Tensions are high as wolves begin to wander the country for the first time in 200 years. Now some scientists have a possible solution.

A decline in insect biomass and diversity has experts concerned and calling for more research to understand why.

When tigers are reintroduced into an area where they once lived, people need to learn to live with them all over again.

In her new book Poached, journalist Rachel Love Nuwer travels into the heart of darkness that threatens elephants and many other species with extinction.

Two dams removed from Washington’s Elwha River were branded as salmon-restoration projects, but their watershed and scientific impacts are just as significant.

A hatchery program puts freshwater mussel benefits on center stage.

Populations of the green sea turtle, or honu, increased as the Hawaiian language made a comeback. Saving other languages from extinction could help protect biodiversity.

When roads are built in grizzly habitat, bears come into conflict with humans more often. A new report explains what’s necessary to keep the bears from dying.

A coalition of public and private entities hopes to revive both fish and water supplies in a hotter, drier climate.