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

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

Mexico's Taam Ja' Blue Hole is the deepest known underwater sinkhole in the world, researchers have discovered — and they haven't even reached the bottom yet. New measurements indicate the Taam Ja' ...

The deepest blue hole on Earth plunges over 400 meters into a narrow bay in the Yucatan Peninsula. And oceanographers haven’t even found the bottom yet. Taam Ja’ Blue Hole took over the title of the ...

They were rolling in the deep. Scientists have identified what could potentially be the “deepest known blue hole” in the world, extending so far down that the bottom has not yet been reached.

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 the South China Sea, near the Paracel Islands, the aqua-colored waters of an expansive shallow reef platform suddenly ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before-seen marine species is part of the mission.

SARASOTA, Fla. -- A team of scientists is gearing up to explore a mysterious "blue hole" off the Gulf Coast of Florida. The National Oceanic and Atmospheric Administration described blue holes as ...

This amazing astronaut photo shows the bizarre whale-like shape of a Belizean tropical island. The coral-reef-covered structure is home to the Great Blue Hole, one of the deepest marine sinkholes on ...