Steamboat is the world’s tallest active geyser, but unlike Old Faithful, its eruptions are completely unpredictable. Now, a ...

A woman suffered severe burns on her leg after hiking off-trail in Yellowstone National Park and falling into scalding water in a thermal area near the Old Faithful geyser, park officials said.

West Thumb Geyser Basin (WTGB), along the southwest shore of West ... alkaline-chloride fluids throughout Yellowstone ...

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 ...