Researchers from the University of Northern Iowa are exploring some of the nation’s deepest caves to learn about life in ...

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 ...

A team of NASA-funded University of Northern Iowa researchers is exploring some of the deepest caves in the United States to ...

A team of researchers at the University of Northern Iowa (UNI) is exploring some of the deepest caves in the country to learn ...

After a four-year closure, Crystal Cave will be inviting visitors to "marvel at its underground splendor," Sequoia Parks Conservancy officials stated in a press release. Tickets for guided tours of ...

Scientists are using these fluorescent features to understand how the caves formed and how ... at the University of Northern Iowa, ended up hundreds of feet underground investigating the minerals ...