From pizza boxes to stuffed animals, geologists have found unusual trash across Yellowstone National Park this year after ...

During this cleanup drive, the team has completed a hike of about 1,300 miles and recorded more than 11,000 miles of driving.

In the fall cleaning campaign, Yellowstone's geology team discovered a trove of unusual items tossed by visitors.

From hats infiltrating Yellowstone’s geysers to a new speed record on the Grand Teton, Outside is rounding up the biggest news of this week ...

Some of the prime attractions that make Yellowstone National Park stunning and unique are the park’s 10,000-plus hydrothermal ...

Geologists at Yellowstone National Park have already collected more than 300 hats from the park’s hot spring areas this year ...

How Yellowstone, a landscape once sacred to Native Americans, later inspired Christians and New Age communities alike.

Standing for more than a century, Old Faithful Inn "has the distinction of being considered a benchmark of national park architecture." ...

Scientists constantly keep a check on the region for any signs of danger. This is because even a small eruption here can have ...

National Parks are being forced to stay open despite operating on a "bare-bones" crew after cuts to staff and funding. Rangers say they can't sustain it.

More than 13,000 pieces of garbage have been retrieved this year from hydrothermal areas in Yellowstone so far this year.

"Recorded this last week," the visitor who captured the risky move said in the caption of the Instagram post in Tourons of ...