The geysers, hot springs, and steaming mud pots that draw millions of visitors to Yellowstone National Park every year are ...

At just past 8 one recent morning, Jeff Cross strode toward Geyser Hill as his walkie-talkie blared: "Ten minutes!" ...

The National Park Service has released a smartphone app that lists when Old Faithful and five other predictable geysers could erupt.

The famed hydrothermal vents and geysers found across Yellowstone National Park are impressive, but best admired at a ...

The world’s tallest geyser — Steamboat Geyser in Yellowstone National Park — sprang to life this week for the first time in several months. It reportedly began erupting shortly after 8:30 a.m. on ...

Add Yahoo as a preferred source to see more of our stories on Google. The largest acidic geyser in the world is erupting again at Yellowstone National Park after several years of dormancy, according ...

Yellowstone remains active, but could it really erupt? Here is how lava, ash, infrastructure damage, and climate disruption ...

BILLINGS, Mont. (AP) — A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a ...

Add Yahoo as a preferred source to see more of our stories on Google. The Lone Star Geyser in Yellowstone National Park. It's one of the more regular, larger geysers in the park. It's featured here in ...

A boy was sent to the hospital and treated for burns after breaking through the thin crust above thermal water. A 17-year-old tourist visiting Lone Star Geyser in Yellowstone National Park suffered ...