Protests erupt in Milwaukee on April 25 after the FBI's arrest of Judge Hannah Dugan for allegedly obstructing an immigration ...

Squat rhinos lived in North America about 12 million years ago, congregating in huge, water-bound herds much like modern hippos.

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

Yellowstone's supervolcano appears to have a magma cap that vents pressure and reduces the chances of a massive eruption ...

A recent study discovered the exact location of the Yellowstone supervolcano's magma cap -- and hints at when it may erupt.

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

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

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