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.

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 ...

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 ...

Steamboat Geyser holds an elusive reputation for its prolonged periods of dormancy followed by abrupt episodes of re-awakening.

YELLOWSTONE NATIONAL PARK, Wyo. — Late last year, Jeff Carter happened upon Steamboat Geyser, the tallest active geyser in the world, just before it erupted. “It was so much louder and higher and ...

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 ...

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 ...

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 ...