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

Whether you're drawn to geology, adventure, or simply the strange beauty of the underground, these seven caves are unforgettable stops that deserve a place on your U.S. travel map. Tucked beneath ...

Scientists are using these fluorescent features to understand how the caves formed and the conditions ... taking place underground that's telling us about how life can be supported," he explains.

The House budget includes $1.2 million to use drones for creating a 3D map to identify pollution sources threatening clarity ...

Scientists are using these fluorescent features to understand how the caves formed and how life is supported in extreme ... the chemistry taking place underground that’s telling us about how life can ...

Travel expert Rick Steves loves this hidden gem cave system in Slovenia full of fascinating formations. Here's what to expect ...

After a stock market meltdown, Donald Trump paused his tariffs on most nations for 90 days, but raised his tax rate on Chinese imports to 125 percent. Legendary journalist Geraldo Rivera joins MSNBC’s ...

ANN ARBOR—Ancient Homo sapiens may have benefitted from sunscreen, tailored clothes and the use of caves during the shifting ... how excursions might affect us in the future.

About 41,000 years ago, Homo sapiens may have survived increased solar radiation caused by a weakening magnetic field by ...

Sheer drama. That's what the Great Sand Dunes are. Starkly beautiful desert dunes set against a backdrop of pretty, ...

Sparsely populated areas in the Jordan Valley have come under increasing pressure from settlers who have begun grazing large ...