Beneath Yellowstone National Park lies something extraordinary—a giant underground chamber filled with molten rock, trapped ...

Looking for family favorites at one of the best National Parks in the U.S.? We're sharing the secrets of visiting Yellowstone ...

Nestled in the eastern part of Idaho near Yellowstone, Harriman State Park sits within what locals affectionately call “The Golden Triangle” – a wildlife paradise where moose, elk, and trumpeter swans ...

Data could help to reveal the warning signs of potentially dangerous eruptions caused by liquid groundwater abruptly turning ...

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon of the Yellowstone is the primary attraction in the Canyon Village area ...

Exactly 100 years after California's last volcanic eruption, national park officials plan to gather at Mount Lassen on Friday to commemorate the event and discuss the possibility of future ...