Written by Mark Stelten, deputy scientist-in-charge at the Yellowstone Volcano Observatory, the post analyzes the v olcano's ...

Yellowstone National Park was never on my bucket list. Seeing the northern lights? Yes, please. Alaska? My number one. But ...

Catherine Parker Old Faithful may be Yellowstone's most well-known geyser, but the Norris Geyser ... another museum – the Museum of the National Park Ranger (open from 10 a.m. to 4 p.m. daily ...

West Thumb Geyser Basin, along the southwest shore of West Thumb Basin in western Yellowstone Lake, is one of Yellowstone’s ...

West Thumb Geyser Basin (WTGB), along the southwest shore of West ... which is typical of sinter-depositing alkaline-chloride ...

This once unremarkable lake underwent a series of bizarre changes, leading to a dramatic and unexpected event.

President Grover Cleveland signed a law that would finally protect the park, its geysers and its wildlife. It was known as the "Act to Protect the Birds and Animals in Yellowstone National Park." ...

Abyss Pool in the West Thumb Geyser Basin in Yellowstone National Park is getting hotter and changing colors. Scientists say the pool, where a human ...

What triggers geysers to go off is still not well understood. A new paper shows that one small earthquake likely triggered an eruption of the world's tallest active geyser, Steamboat.

Montana’s Yellowstone Country is home to three of the five entrances to Yellowstone: the West, North, and Northeast Entrances ...

West Thumb Geyser Basin (WTGB), along the southwest ... of sinter-depositing alkaline-chloride fluids throughout Yellowstone National Park, including those near Old Faithful.