It's not every day you have a massive Oregon volcano ready to blow, and experts are looking forward to seeing it erupt in all ...

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 ...

Avoid the crowds at Yellowstone and discover a hidden gem in neighboring Idaho, a destination with its own impressive tourist ...

A magnitude 3.9 earthquake was measured near Norris Geyser Basin in Yellowstone National Park on Tuesday evening. It's the ...

The more recent study, however, suggested that Old Faithful Geyser was erupting long before the tree grew on the geyser’s mound, and that trees grew on and around the mound between approximately ...

So, after seeing Old Faithful erupt, be sure to hike around to discover the more than 150 hydrothermal features throughout this area. It's important to know that Upper Geyser Basin is pretty big ...

Yellowstone is well known for its "Old Faithful" geyser and its stunning ... of years since the last time there was a major volcanic eruption. The last one was about 174,000 years ago and it ...

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.

Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding the changes in hydrothermal activity following the August 1959 M7.3 Hebgen ...