Yellowstone National Park has a bison population of about 3,000 to 6,000, and visitors need to avoid getting too close to them.

Governor Greg Gianforte and two state agencies filed a lawsuit against the Biden administration to challenge Yellowstone National Park’s (YNP) Bison Management Plan. Together with Montana Department ...

The National Park Service’s plan to increase bison herd sizes has drawn criticism from state officials concerned about disease transmission.

This aerial photo released by the National Park Service shows the damaged Biscuit Basin boardwalks after a hydrothermal ...

That movement has now left one pool of molten material on the west of the caldera disconnected from any heat sources, which ...

A hiking guide who leads excursions in Yellowstone National Park paused for a photo opportunity recently and later asked his ...

Scientists have used advanced techniques to find the answer to the troubling questions: when will Yellowstone erupt and what will the effects be?

Learn why there may be movement below Yellowstone, but the likelihood of a massive volcanic eruption there remains low.

The suit concerns brucellosis, a bacterial disease that infects cattle, swine, goats, sheep and dogs and can spread to humans ...

Excelsior Geyser is located in Midway Geyser Basin, adjacent to the spectacular Grand Prismatic Spring. The geyser may have ...

Well, that didn’t take long. President-elect Donald Trump won’t even take office for another two weeks, but Montana’s Gov. Greg Gianforte has already filed a lawsuit against the federal Department of ...

Master wolf-observer Rick McIntyre's new book transports readers to the middle of the action, guest reviewer Michael Palmer writes.