Before you drop that 2010 quarter into a vending machine (or let it vanish into your car's cup holder forever), take a closer ...

Trout Unlimited is proposing to complete the second phase of work to create better fish spawning and rearing habitat on Mill ...

Researchers from Rice University imaged the magma underneath Yellowstone and showed how it vents pressure, reducing the likelihood of a massive eruption anytime soon.

Yet the National Park Service is only a quarter of the way toward its proposal ... said one group he was monitoring on the north end of Yellowstone resisted hazing efforts and ran back into ...

Yellowstone, the Western drama series created ... Avila died on November 9 at the age of 72. As an American Quarter Horse ...

A Seattle tourist will serve one week in prison for walking off the boardwalk at Yellowstone National Park and getting too close to Old Faithful. The 44-year-old woman pleaded guilty to leaving ...

Every day, like clockwork, geysers in Yellowstone National Park erupt in a burst of volcanic activity as tourists ooh and ah at the spectacle. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED CROWD ...