Can you guess where in the world it is? One of the most fascinating aspects of Fly Geyser, as it's known, is how it operates ...

Five people are safe after the sports utility vehicle they were riding in went off the road and into an inactive hot, acidic geyser in Yellowstone National Park, officials said Friday. The passengers, ...

Steamboat is the world's tallest active geyser, but unlike Old Faithful, its eruptions are completely unpredictable. Now, a new analysis suggests that at least one recent Steamboat eruption got ...

A June 17 Facebook post (direct link, archive link) shows lava and a large cloud of smoke erupting from a ridge. "Breaking: Yellowstone Lava Geyser," reads the post's caption. "For the first time in ...

An underground hydrothermal explosion at Yellowstone National Park sent visitors running for their lives Tuesday morning as a massive black mushroom cloud of steam and debris rose hundreds of feet in ...

Nevada's vast plains showcase diverse landscapes, from the jagged red stone formations at Valley of Fire State Park to the ...

A West Texas oil well blowout shot a 100-foot-high plume of poisoned water into the air last fall, prompting reforms at the ...