Explore the Michigan cave buried under a long-forgotten town, where twisting tunnels and lost history create an atmosphere of ...

Discover a surreal Florida trail where vanishing streams, hidden caverns, and massive sinkholes create an unforgettable ...

A recent study spotted water carved cave openings in Mars Hebrus Valles region, hinting at sheltered places where signs of ancient microbes could survive.

The limestone karst formations of Citatah in West Java that first appeared millions of years ago are once again under attack ...

A newly discovered supercave in Spain stretches 16.5 miles, featuring a 3,000-foot vertical drop. What lies beneath?

More than a square mile of hardwood forest in south Madison County is now under permanent protection, the Northwest Arkansas ...

Explorers in southern Spain have linked two deep caves into one “supercave system” about 16.4 miles long. The connection sits inside Sierra de las Nieves near Málaga and pulls together years of ...

Indonesia’s remarkable cultural diversity, spanning thousands of islands, hundreds of ethnic groups and countless living ...

Ghuangzhou–A trip to this capital city of China’s Guangdong province means literally crossing the disputed South China Sea ...

The Northwest Arkansas Land Trust announced Thursday (Dec. 4) the permanent protection of the 769-acre White River Headwaters ...

Some 40 years ago, a Buddhist monk uncovered a mandible in Baishiya Karst Cave, more than 10,000 feet above sea level on the Tibetan Plateau. The specimen has now been dated to 160,000 years ago, and ...