Steamboat is the world’s tallest active geyser, but unlike Old Faithful, its eruptions are completely unpredictable. Now, a new analysis suggests that at least one recent Steamboat eruption got ...

A woman suffered severe burns on her leg after hiking off-trail in Yellowstone National Park and falling into scalding water in a thermal area near the Old Faithful geyser, park officials said.

What triggers geysers to go off is still not well understood. A new paper shows that one small earthquake likely triggered an ...

Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in the park. Its average interval between eruptions is about 76 minutes ...

The service closed the area, a few miles from the Old Faithful geyser. A US Geological Survey photograph shows a huge grey area of debris thrown out by the eruption. US Geological Survey The ...

Geyser Hill is a group of thermal features, including geysers, springs, and pools next to Old Faithful Geyser in ...

This story appears in the December 2016 issue of National Geographic magazine. Become a member of National Geographic to explore more incredible images and stories from our archives. The star of ...

U.S. News Insider Tip: Escape the crowds directly in front of Old Faithful and enjoy the geyser's eruption from the second-floor outdoor balcony of the Old Faithful Inn, another national treasure.

A New Hampshire woman visiting Yellowstone National Park was taken to a hospital after she slipped below the surface of the land in a thermal area near Old Faithful A woman who visited Yellowstone ...

Although not as famous as Old Faithful Geyser or Grand Prismatic Spring, the features of West Thumb Geyser Basin are some of the most varied and beautiful in Yellowstone National Park. From hot pools ...

Bubbling hot springs, abundant grizzly bears and bison, and the famous Old Faithful geyser are just some of the reasons Yellowstone National Park attracts roughly five million visitors every year. Is ...