The deepest cave in the Western Hemisphere — the Sistema Huautla in Mexico — is even longer than originally thought, scientists and cavers have discovered. Cave explorers expanded the map of Sistema ...

Just three years ago, a group of Idaho men traveled to an unnamed Western state and in an unnamed range of rugged mountains, hiked up a steep trail. At the top, they unraveled climbing ropes, stepped ...

The Movile Cave was not privy to air or sunlight and was sealed from the world for millions of years, until scientists found ...

Charlie has an undergraduate degree in Forensic Psychology and writes on topics from zoology and psychology to herpetology.View full profile Charlie has an undergraduate degree in Forensic Psychology ...

A cave in northern Greenland shows the Arctic once thawed under mild conditions. Scientists say even small warming can ...

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

Traveling around Eagle County, it is easy to wonder about the interesting geological features that dot the landscape. While we are blessed with abundant mountain peaks and canyons, there is one ...

The newly formed Friends of Wind Cave group will help support and promote Wind Cave National Park and will serve as citizen advocates for the park as well as reinforce the bond between the park and ...

It's no surprise that Mount St. Helens is the source of some of Washington's most famed natural wonders, like the picturesque, heart-shaped Spirit Lake that survived the deadly 1980 eruption, but was ...

Uranium dating places the age of the Petralona skull at 300,000 years, revealing a human lineage distinct from Neanderthals ...

If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures of the moon ...