Seated on sandbags in a knee-deep grid dug in South Africa's Sterkfontein caves, where one of our earliest ancestors was ...

The discovery of Green Arabia not only reshapes our understanding of ancient climates but may also solve one of humanity’s greatest mysteries.

Theopetra Cave, in Greece, believed to be the oldest human construction on earth, reopened to the public after 9 years of ...

Mineral deposits in limestone caves show that the now arid interior of Saudi Arabia repeatedly experienced increased rainfall ...

Most people think of visiting big cities, national parks, and beaches when they plan a U.S. trip. There’s hardly anyone who’s ...

The Eben Ice Caves aren’t just frozen waterfalls. They’re a physics lesson in slow motion. Each winter, water trickling through Michigan’s UP limestone creates caves made entirely of ice, forming ...

A member of the Iranian Caving and Speleology Association confirmed the discovery of this limestone cave in Barzok by a local resident. The cave features multiple chambers and passageways and ...

The world-renowned Wits Sterkfontein caves officially reopened in a ceremony on Tuesday, 15 April. Special events are planned for the duration of the opening week. This important ...

We're getting a look at Kartchner Caverns State Park in southeastern Arizona. The park is renowned for its extensive ...