Over the last month, two of Colorado’s latest gray wolf transplants were killed after crossing the border into Wyoming.

Colorado Parks and Wildlife said the death of a female gray wolf last weekend in Rocky Mountain National Park is currently under investigation.

For decades, scientists knew magma was simmering beneath the earth at Yellowstone National Park. A team of researchers ...

For the first time, geoscientists detected the top of Yellowstone’s magma reservoir. It is active and dynamic, but not in ...

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

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

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