Far from the open ocean trenches, divers in a shallow Mexican bay have found a vertical portal into the unknown. The Taam Ja’ Blue Hole plunges so far beneath Chetumal Bay that scientists have not yet ...

Researchers have discovered an underwater sinkhole so deep, they haven’t even reached the bottom yet. Taam Ja' Blue Hole (TJBH), which lies off the southeastern coast of Mexico’s Yucatan Peninsula, is ...

Lake Huron’s Thunder Bay National Marine Sanctuary is home to at least 10 underwater sinkholes. Formed as groundwater eroded ...

Mexico’s Tam Ja Blue Hole has been confirmed as the world’s deepest, reaching at least 1,380 feet. Scroll down to know what ...

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 ...