Although there were no documented eruptions of Old Faithful in Yellowstone for a full day last week, scientists are not concerned. Turns out the ...

The same geyser that erupted last summer in a hydrothermal explosion along a Yellowstone National Park boardwalk was caught erupting on video again thanks to a newly-installed webcam to track the ...

Add Yahoo as a preferred source to see more of our stories on Google. In some past years, Steamboat Geyser at Yellowstone National Park has erupted dozens of times. This year, the massive geyser ...

Yellowstone National Park is home to Black Diamond Pool. Here, you’ll find a murky blue pool of water that was first formed by hydrothermal explosions. Last July, this same type of explosion caused a ...

Grand Geyser, located in Yellowstone’s Upper Geyser Basin, is the tallest predictable geyser in the world. It erupts in breathtaking displays that can reach up to 200 feet high, lasting anywhere from ...

Steamboat Geyser, which shoots water 300 feet skyward—higher than from any geyser on earth—oftentimes steals the show at Norris Basin in Yellowstone National Park. But a few hundred feet away is ...

The world’s largest acidic geyser has begun erupting again in Yellowstone after slumbering for over five years, the national park said Monday. Echinus Geyser, located in the back basin of the Norris ...

WASHINGTON — Yellowstone's Echinus Geyser, which is the largest acidic geyser in the world, came out of five years of dormancy last month to start erupting several times a day, according to the U.S.