A team of oceanographers from several Mexican institutions say the Taam Ja' Blue Hole (TJBH) is the deepest in the world. It's located in Chetumal Bay on the southern coast of the Yucatán Peninsula, ...

Chinese researchers discovered what they say is the deepest blue hole in the world, off the disputed Paracel Islands in the South China Sea. The sinkhole was measured at 1,000 feet, deeper than ...

After spending almost three weeks exploring the enigmatic Blue Hole of Belize, Vancouver-based submarine company Aquatica Submarines has created the first 3-D sonar map of the 124-metre-deep ...

Mexico's Taam Ja' Blue Hole If you're scared of deep holes and the ocean, this is not the sinkhole for you. Taam Ja' Blue Hole can be found in Mexico 's Chetumal Bay.

Researchers traveling along the Kuril_Kamchatka and Aleutian trenches in the northwest Pacific Ocean used a submersible to find tubeworms and mollusks flourishing at over 31,000 feet (9.5 kilometers) ...

The bottom of the blue hole is devoid of oxygen. Dissolved oxygen levels drop to zero below the layer of hydrogen sulfide that lies around 90 meters (295 feet) deep in the hole, effectively ...