Researchers working inside Kenya’s volcanic and coastal cave systems have captured and sampled bats to build a clearer picture of species that spend most of their lives out of sight. Across sites from ...

As the afternoon fades at the Three Sisters Caves in Kenya’s Kwale county, David Wechuli’s team begins setting up nearly ...

The Chauvet-Pont D'Arc cave is one of the most famous underground caverns in the world, housing one of the oldest and best-preserved collections of prehistoric cave paintings ever discovered. Now, ...

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 environments ...

Oregon has no shortage of staggering natural beauty, from prominent icons like Mount Hood to under-the-radar marvels like the secret "Iceland-esque" Abiqua Falls just south of Portland. Yet Oregon's ...

SAN VICENTE PACAYA, Guatemala -- It's the only place in the world where you can hike up a volcano and once done, enjoy an artisanal pizza cooked inside a volcano! Based in Guatemala, Pizza Pacaya was ...