Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

A number of studies have given us fascinating images showing Yellowstone’s magma reservoirs. But how are those images created ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

New research shows that dead trees in Yellowstone National Park may pose a greater fire danger than previously suspected.