The discovery of more than 100 prehistoric structures in the Cova Dones cave in Spain makes it one of the most significant prehistoric underground sites in the world. Archaeologists found stalagmites ...

On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Add Yahoo as a preferred source to see more of our stories on Google. Looking for a way to make the best of New York's hot summer days? Heading underground and exploring cool caves — both in ...

Most caves are dark, quiet places filled with rock formations and underground tunnels. But hidden beneath the jungles of ...

Mars skylights like this could be the mouths of caves formed by lava tubes. NASA wants to explore them. Credit: NASA / JPL-Caltech / Univ. of Arizona Ever since scientists have had an orbiter's view ...

Cave City, the home to Mammoth Cave National Park, is giving visitors reason to stop and explore. Cave City in Barren County is home to Mammoth Cave National Park. Over the years, the city has gone ...

Visiting sea caves isn’t just about seeing a cool grotto carved out by the ocean — it’s also about the journey to find these caverns. There are cliffs to descend, rocks to scramble, tide pools to ...