Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

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

Seven people have died after a tour van and pickup truck collided near Yellowstone National ... Henry's Lake State Park in eastern Idaho, located about 16 miles west of Yellowstone in Wyoming.

Species population declines could have a greater effect on park visitation than charging visitors to support conservation, new paper concludes.

A herd of bison caused a "little bison jam" at Yellowstone National Park in Wyoming as the majestic animals crossed the road and held up traffic. Video footage shared by Cindy Shaffer shows a line ...

Roads and one park entrance for Yellowstone National Park are set to open this ... The Madison River from the Wyoming/Montana state line downstream to the park boundary near the West Entrance ...

Yellowstone National Park attracts visitors from around the world, and it is one of the top national parks in the U.S. It’s a ...

Yellowstone, the US's oldest national park, covers nearly 3,500 sq miles in three states, including Idaho, Wyoming and Montana. It draws an average of four million tourists every year, with the ...

In this Aug. 3, 2016, file photo, a large bison blocks traffic as tourists take photos of the animals in the Lamar Valley of Yellowstone National Park in Wyoming. Credit: AP/Matthew Brown The ...

FILE-An entrance sign along U.S. Highway 212 at the northeast entrance into Yellowstone National Park in Wyoming. (Photo by Education Images/Universal Images Group via Getty Images) What we don't ...