There’s something truly exciting about booking cave tours while on vacation. When we were in Positano, we had the pleasure of passing by many beautiful caves. We didn’t get the chance to go inside ...

Mammoth Cave National Park, home to the world’s longest known cave system, stretches for more than 680 kilometres, and counting, into the Earth. What began as a limestone labyrinth has turned out to ...

The Mermaid Cave in Thung Nham reveals a mysterious underground world of glittering stalactites, emerald waters, and natural ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...

Deep inside a limestone cave on the Indonesian island of Sulawesi, a single human handprint has pushed the story of art back to at least 67,800 years ago. The stencilled outline, created when someone ...

For the first time since 2015, hikers are able to set foot on one of the Midwest’s most ephemeral and breathtaking natural ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The sewn hide, cordage and needles show how Indigenous Americans used complex technology to survive the freezing temperatures ...

For 12,400 years, the cave’s arid air preserved two small scraps of elk hide stitched together with twisted fiber. These ...