Yellowstone National Park has been around since 1872. Here are some fun facts you may not have ever learned about the country ...

A series of explosions created a silica-filled water pool to the left of Tree Basin in Yellowstone National Park.

A widespread bacteria called "soap scum" grows in Yellowstone National Park's thermal pools that on the surface doesn't seem ...

Yellowstone fans watching the second episode of Marshals Sunday night caught something new viewers almost certainly missed, ...

Whether this activity will persist through the summer months, allowing tourists to observe, remains uncertain.

Echinus is the largest known acidic geyser on Earth.

Echinus Geyser in Yellowstone National Park, a rare acidic geyser and the largest in the world, has recently been observed ...

Located in the Back Basin of the Norris Geyser Basin, the geyser unexpectedly erupted on Feb. 7 after nearly six years of ...

The world's largest acidic geyser has begun erupting again in Yellowstone after slumbering for over five years, the national ...

From alpine backcountry to coastal waters, some of America's most breathtaking protected lands hide world-class fishing you won't want to miss.

The ground at Yellowstone does not always move quietly, and sometimes it waits for years before suddenly coming back to life.

In early February 2026, repeated surges of the geyser began—as before, with the surface becoming agitated and releasing more ...