In 1991, a Vietnamese man named Hồ Khanh was walking through the jungle near the Laos border while searching for agarwood, a resin used in perfume and incense. During a storm, he took shelter near a ...

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 ...

A moon exploration simulation with robots was conducted in a Jingbo Lake volcanic lava cave in China. Research indicates that ...

Is there life in Martian caves? It’s a good question, but it’s not the right question—yet. An international collaboration of scientists led by NAU researcher Jut Wynne has dozens of questions we need ...

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 ...

Exploring the depths of an unmapped cave system is a daunting enough prospect on its own, but think how risky it would be to do so on another planet such as Mars. That's why a new system is in the ...

Beneath the surface of an otherwise unassuming National Park, a labyrinth showcases hundreds of millions of years of geologic history. Each shade of tan layered on the walls represents a different era ...

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 ...

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 ...