Grizzly 399’s world shrunk. Slowly, year by year, she had to make adjustments to the sprawl and greed of Jackson Hole.

"What is a dark sky airport?" you ask. Here’s how the only U.S. commercial airport within a national park received the designation and what it means for stargazing among some of America's most ...

Jackson researchers had been attempting to trap the male barred owl for more than a week, but the wary raptor was proving ...

Take a flight high above the rugged beauty of Grand Teton National Park with this breathtaking drone footage, capturing the ...

A third reintroduced gray wolf from British Columbia has been found dead, this time in Rocky Mountain National Park. The U.S. Fish ... from British Columbia in Wyoming. A third wolf captured ...