Free parking is provided on-site. For more information about Mammoth Hot Springs, check out the National Park Service's website. Full-Day Guided Yellowstone Day Tour (197 reviews) ...

Scientists found that a "cap" of bubbles and magma stands between the magma reservoir underneath Yellowstone National Park ...

Roads and one park entrance for Yellowstone National Park are set to open this Friday, weather permitting, ahead of National ...

A tourist ventured too close to one of the most iconic geysers in Yellowstone National Park, and part of her illegal ...

Video footage shared by Cindy Shaffer shows a line of cars forming on a road in Yellowstone, waiting for the herd to pass.

Today's the day — the West Entrance to Yellowstone National Park opens in West Yellowstone, and tomorrow kicks off National ...

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It ...

Underneath Yellowstone National Park, magma bubbles and flows. But exactly how close it is to the surface has long been a ...

Located within parts of Wyoming, Montana, and Idaho, Yellowstone National Park truly deserves the honor of being designated ...

Normally, only the road between Yellowstone’s North Entrance at Gardiner, and the Northeast Entrance near Cooke City, Mont., ...

Along the way, you'll be treated to stunning, almost otherworldly views of the gorge the river has gouged through the ...