A new volcanic vent was discovered at Yellowstone National Park, the U.S. Geological Survey announced this week.

Steam fills the night air in the Porcelain Basin at Yellowstone's Norris Geyser Basin. In winter Yellowstone can be a tough place for grazers; to find grass, bison sometimes use their massive ...

Academy Award-winning actor Kevin Costner joined "The Will Cain Show" to discuss his new three-part series on Fox Nation, "Yellowstone to Yosemite," a documentary he describes as showing how men ...