Explore one of the hottest springs in the U.S. at Yellowstone's vibrant basin, home to the once-largest geyser in the world and a 370-foot ecological marvel.

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 ...

According to one line of thinking, the appearance of a plasma geyser is the result of a sudden, excessive amount of magnetic energy destabilizing the environment around the sunspot, leading to the ...

The geyser Old Faithful was named on this day in history, Sept. 18, 1870, after an explorer noticed the eruptions were quite "faithful." It remains a popular tourist attraction.

Old Faithful is a geyser in Yellowstone National Park, named after its regularity in erupting hot water and steam, fed by the geothermal activity of the Yellowstone supervolcano underneath.

Old Faithful, the famed geyser in Yellowstone National Park that erupts with captivating regularity, could soon go quiet.

“Watch Old Faithful and other geysers erupt from the warmth of your own home through our Old Faithful and Upper Geyser Basin Livestream Webcam.” Visit go.nps.gov/yellwebcams to catch an eruption.

The famed Old Faithful geyser erupts into a clear blue sky in a new video taken on Dec. 18 and shared by Yellowstone National Park. The steam shot forth by the geyser matches the snow blanketing ...

A new climate assessment of Yellowstone warns Old Faithful could stop erupting if temperatures in the park rise another 10F. This would cause a drought, which would dry up the geyser's ground water.

Old Faithful in Yellowstone National Park in Wyoming is seen in 2022. A 60-year-old woman sustained severe burns to her leg after walking off the trail near the geyser this week.

A team from the University Of Utah have successfully studied the extensive plumbing network that fuels Yellowstone National Park's famous Old Faithful geyser.