A spelunker appears as a small speck in Deer Cave’s gaping mouth—nearly 500 feet high. Sunlight penetrates deep inside, allowing mosses, ferns, and algae to flourish near the entrance.

These incredible images show British scientists on an expedition to map a 'never-ending' cave network in a project that dates back more than 30 years. The twisting network of caverns underneath ...

The oldest known figurative cave art painting in the world may be a 40,000-year-old rendering of a species of wild cattle found in a Borneo cave by a group of Griffith University researchers. It is ...