This hidden Arkansas cave trail takes adventurous hikers deep underground to a breathtaking waterfall hidden inside a ...

Add Yahoo as a preferred source to see more of our stories on Google. In episode 2 of Pole to Pole, Will Smith captures a tarantula in a cave in Ecuador in order to study it with scientists. National ...

Deep in a cave near the town of Toirano in northern Italy, archaeologists have uncovered ancient human hand and footprints ...

UC San Diego bioengineer Kiana Aran spent five days sealed inside a pitch-black chamber in rural Poland last November, tracking her own brain and body as her internal clock fell apart. The ...

This Arkansas cave lodge lets you sleep inside a massive natural cavern in the Ozarks, complete with modern comforts and ...

Scientists have identified what they believe to be the oldest known rock art in the world inside a cave in Indonesia. ADAM BRUMM: So this is a human hand mark created by blowing paint around a human ...

In Plato's Allegory of the Cave, Plato provides a timeless insight into how we are often "prisoners" of our mind, in that we are born into a world of "shadows", which we confuse with reality. Wisdom ...

Lying face-down in a floating cabana during an aromatherapy massage in a 500,000-year-old cave is the closest thing to nirvana I’ve ever experienced. My cabana sits above an azure underground lake, ...

For 16 years, visitors could sleep in a suite inside a giant cave near the Grand Canyon. Now, it's being dismantled.

Paleontologists working in a cave on the Caribbean island of Hispaniola have discovered the first-known instance of ancient bees nesting inside pre-existing fossil cavities. Paleontologists working in ...