Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt ...

A huge herd of bison trekked across a snowy valley in Yellowstone National Park in a stunning video. Yellowstone Forever, a nonprofit partner of the park dedicated to “protecting, preserving, and ...

Academy Award-winning actor and filmmaker Kevin Costner shines a spotlight on Yosemite in his upcoming three-part docuseries.