Maldivian authorities are conducting a high-risk search for four Italian divers who died in a scuba accident. The body of a ...

Detroit secretly built artificial islands in the river to hide giant water intake systems feeding millions of people across Michigan. Beneath them, workers dug massive tunnels through flooded clay and ...

Mammoth Cave National Park is the obvious companion destination, offering underground wonders to complement the aboveground ...

On the Greek islands of Milos and Kimolos, primitive cave houses are being refashioned as simple but desirable properties.

The hike to Cave 338 is tough. You start at the Monastery of Núria in the eastern Pyrenees, which is already pretty high.

The findings challenge the long-held assumption that prehistoric people didn’t spend much time in high-altitude mountain ...

Deputy Inspector General of Police Shiv Kumar Sharma on Saturday conducted a comprehensive security review and assessed operational preparedness in the Shiv Khori-Ransoo belt in Jammu and Kashmir’s ...

Caves in Cambodia reveal new, previously unknown species and shed light on hidden ecosystems at risk of disappearing ...

Explosive new legal documents cast doubt about what happened when the FBI dug up a site thought to hide $500 million in treasure.

Record low winter snows mean insufficient water in the Colorado River. Here's how a city that's first in line to be cut off is handling it.

In a cave tucked beneath the Welsh landmark, archaeologists have found evidence of human and animal visits over the past 120,000 years. Now, they're starting a five-year excavation project ...

The third trip into the cave was driven by persistence and unfinished work. Previous success created confidence that the ground would hold. Underground, pressure shifted and stability changed without ...