We ventured deep inside a river cave and found a mysterious blue hole. Could it lead to an underground spring, or something even more incredible? Join us as we explore its depths and uncover the ...

The James Webb Space Telescope has found perhaps its most profound discovery to date. The uncovered preferred direction for ...

A cave diver's paradise, the Bahamas is home to an extensive network of life-sustaining underwater caverns chock-full of history—and a whole lot of mystery.

Albert McCoy spotted the huge hole in the hillside ... ourselves. That cave was well above six feet high and about 40 feet deep. It looked like a tunnel, but no one was inside.