About 50 Sonoyta pupfish were released into an artificial stream inside the University of Arizona's Biosphere 2 on Friday in ...

It’s one of the longest rivers in the United States, and it's full of fish. Discover what is lurking in the Arkansas River.

The land board and DLNR staff have clashed for years over whether to let the practice continue. That might be changing.

Florida’s primary reef-building corals have been declared ‘functionally extinct’ — prompting a shift in conservation ...

Ahead of its centennial, the historic complex on Lake Michigan debuts a reimagined entry sequence, new exhibits, and more.

Too much sun can ruin photosynthesis, scorching plants and other organisms that depend on capturing sunlight for energy.