A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

Yellowstone Park is a popular destination for geology field trips. It’s easy to see why — the dynamic landscape contains a ...

Mauna Kea When you think of the tallest mountains, instinctively, Mount Everest comes to mind. But here's a shocker: Mauna ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon researchers.