Through the intricate study of lava tubes -- caves formed following volcanic eruptions when lava cools down -- an international team of researchers has uncovered clues about Earth's ancient ...

Sometimes, a hole in the ground is just a hole. Other times, it’s a portal to an underground cave spanning miles in width and length. You don’t really know what’s inside unless you dive into the void.

If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures of the moon ...

With its iconic mountains, rivers, and coastline, it’s easy to overlook the adventure of discovering some of Oregon’s ...

Why it's incredible: The cave was created by lava from Mount Fuji and now holds giant ice pillars. The Narusawa Ice Cave is a lava tube that is brimming with icicles and ice pillars at the base of ...

If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures of the moon ...

Volcanic rock in the lava tubes created a protective environment that helped shield the minerals and organic compounds from weathering, ultimately preserving the minerals as records of past ecosystems ...