Peak outdoor season is nearing and Iowa not only offers 83 state parks and recreation areas, there are also more than 1,000 caves hidden throughout the state's natural habitats. Here are popular ...

America's vast and diverse landscape is obviously incredible to witness aboveground. But descending just below the surface, you can find some equally amazing (if dark and stuffy) natural wonders ...

A UNI student in Wind Cave in South Dakota (UNI photo) Researchers from the University of Northern Iowa are exploring some of the nation’s deepest caves to learn about life in extreme ...

Now, researchers at the University of Northern Iowa are using these UV spectral signatures to assess the chemical makeup of these cave features. “It’s a much better way of getting that first ...

Scientists from the University of Northern Iowa are learning how to match this colored glow to trace metals and organic compounds, providing information on the cave’s history and development. Read an ...