A team of researchers has confirmed the discovery of the deepest known blue hole on the planet in the waters of Chetumal Bay, ...

There's a 900-foot deep hole, now called The Taam ja' Blue Hole, off the Eastern coast of Mexico. It's the second deepest blue hole known. The deepest is the Sansha Yongle Blue Hole near China.

Far from the open ocean trenches, divers in a shallow Mexican bay have found a vertical portal into the unknown. The Taam Ja’ ...

Researchers have found a blue hole they say is the deepest in the world—and they’ve yet to find where it bottoms out. The formation is the Taam Ja’ Blue Hole in Mexico’s Chetumal Bay, and it has so ...

In a new mission, the National Oceanic and Atmospheric Administration (NOAA) is going deep underwater. And they aren't stopping at the seafloor. Blue holes take the mysteries of the deep sea even ...

Like a pinprick piercing the azure Caribbean Sea, the Great Blue Hole is as mysterious as it is mesmerizing. From above, this almost perfectly circular underwater sinkhole is a deep, dark bullseye ...

Divers have finally made it to the bottom of Belize’s iconic Great Blue Hole, but a dirty secret was lurking at the bottom of the pristine natural wonder. The Great Blue Hole is a giant marine ...

Blue holes are worldwide attractions for amateur and professional divers alike. Here are the world's five best blue holes. Snorklers swimming over Dean´s Blue Hole with a depth of 202 meters on June ...

For those who know of the stunning blue spring-fed waters of Peekamoose Blue Hole in the Catskills of Ulster County, you may have noticed some changes in the past few years. Once a local spot to cool ...

Shaped like an hourglass, the hole starts about 150 feet below the surface and goes down to a 425-foot depth. It had never been explored scientifically before this summer. On Aug. 31, a team of Mote ...