Hidden inside Vietnam’s Phong Nha-Ke Bang National Park is Son Doong, the largest cave on Earth. It’s so vast that a Boeing ...

Gigantopithecus blacki stood nearly 3 meters tall and lived in Asia for 2 million years before mysteriously disappearing.

The Veryovkina Cave was the deepest-known cave on Earth, and experts stumbled upon it before daring to attempt a dangerous mapping of the depth.

If you're looking to do some cave diving, look no further than the Cherney Maribel Cave County Park.

You can walk the entire downtown in an hour, ducking into shops that sell European chocolates, wooden clogs, and imported ...

Moaning Cavern near Vallecito features the largest single cave chamber in California, where adventurous visitors can rappel 165 feet to the bottom. California Cavern in Mountain Ranch offers walking ...

To celebrate our caravan holiday series and the great Aussie tradition, we’ve put together a list of some of the best caravan ...

Moaning Cavern in nearby Vallecito features the largest single cave chamber in California, where you can actually rappel 165 feet to the bottom if walking down the spiral staircase isn’t adventurous ...

Fifty-two fossils of gigantic pandas found in China’s Shuanghe Cave, the longest cave in Asia, reveal the species’ evolution.

In 1986, excavators surveying land for a power plant in Romania accidentally unearthed a strange cave. It had been sealed up ...

The CAVES training tests astronaut teamwork, resilience and scientific focus all needed for the challenges of spaceflight. Many parallels exist between being high above the Earth and deep underground.

Could Artemis III astronauts collect some lunar samples that shed light on the moon's mysterious past? That's what a team of researchers hope.