Greater sage grouse — chicken-sized birds known for an elaborate mating ritual— were once found across much of the U.S. West.

U.S. officials are proposing tighter restrictions on oil, solar and wind energy development across more than 6,500 square ...

If it creeps, crawls or grosses you out, chances are Kathy Sorensen — aka Wyoming's critter lady — loves it. She's a ...

"Recruitment and training of new staff has proven difficult due to the specialized nature of the work and APF's remote location," the NIH statement said. "Given this uncertainty, NIH has determined ...

Their population climbed from about 50 to near 800, but advocates say climate change threatens this conservation success story.