Yellowstone National Park is the first national park in the world that is a stunning natural wonder popular among the masses ...

Yellowstone National Park is a place where steam rises from the earth and geysers erupt like clockwork. Parameters were ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... Fan and Mortar geysers in Yellowstone's Upper ...

Wyomingites like their public land. They hunt pronghorn in Shirley Basin’s high desert sagebrush, ogle exploding geysers in ...

Booking a guided snowmobile tour through Yellowstone Vacations is the most straightforward way to secure your spot for an ...

President Grover Cleveland signed a law that would finally protect the park, its geysers and its wildlife. It was known as the "Act to Protect the Birds and Animals in Yellowstone National Park." ...

Home to more than 2.2 million acres, hundreds of geysers and waterfalls, as well as Yellowstone Lake – the largest high-altitude lake in North America – Yellowstone National Park is a bucket ...

Yellowstone National Park's nearly 3,500 square miles seep slightly ... is Yellowstone's hottest and oldest geothermal region. Geysers worth checking out in this part of the park include Steamboat ...