On the edge of the Peloponnese, Kastania Cave is a three-million-year old geological wonder with breathtaking stalactites and ...

Crystal Cave in Sequoia National Park is reopening for guided tours after a four-year closure due to natural disasters. The cave, formed in 200 million-year-old marble, features unique geological ...

Traveling around Eagle County, it is easy to wonder about the interesting geological features that dot the landscape. While we are blessed with abundant mountain peaks and canyons, there is one ...

Juneau, the capital of the Last Frontier, serves as a gateway to some of Alaska's most spectacular hidden gems, including the ice caves in the Mendenhall Glacier. Formed about 3,000 years ago during ...

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 ...

A section of South Dakota’s Wind Cave seen under normal white light (left image) transforms into something otherworldly when placed under UV light (right image). SAN DIEGO, March 25, 2025 — Deep below ...

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 ...

If you’ve ever been on a cave tour where the guide shines a black light, you’ve seen the walls and formations glow. The stunning fluorescence is often the result of impurities trapped in calcite rocks ...

Spooky, wonderous, stalactite-y: Crystal Cave in Sequoia National Park returns this summer season for guided tours after a four-year closure due to consecutive natural disasters in the national park.

SAN DIEGO, March 25, 2025 — Deep below Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of ...