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 ...

In some past years, Steamboat Geyser at Yellowstone National Park has erupted dozens of times. This year, the massive geyser hasn’t had a major eruption since Feb. 3. Experts are stumped, and do not ...

Steamboat Geyser eruption not witnessed from ground, but photographer in a plane captures footage next morning.

Yellowstone’s Upper Geyser Basin holds one of the tallest predictable geysers, Grand Geyser, erupting up to 200 feet. Grand Geyser often performs alongside Turban and Vent Geysers, and can be counted ...

The tallest active geyser in the world erupted last week, though seismic data shows it was probably about a quarter the size of the previous major eruption four years ago, Wendy Stovall, deputy ...

Melissa Block talks to a Yellowstone park visitor who was lucky enough to see Steamboat Geyser erupting for the first time in eight years. Yellowstone Geyser Erupts After Years Of Silence MELISSA ...

YELLOWSTONE NATIONAL PARK — The world's largest active geyser has erupted four times in the last seven weeks, a spate of activity that has geophysicists excited about the Yellowstone National Park ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Tourists traveling by plane over Yellowstone National Park on Thursday were treated to a rare and magnificent view of the world’s tallest active geyser shooting steam 400-plus feet skyward. The ...