Astronomers spotted the ultramassive black hole inside the Cosmic Horseshoe, an equally gargantuan galaxy so powerful that it ...

Explorers descended into a 500-foot-deep cave—only to find something even more mysterious below: a perfectly blue, seemingly ...

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 ...

They also found stalactites — a kind of icicle-shaped formation that usually hangs from the roof of a cave — which proved the Great Blue Hole was once a dry cave home to prehistoric life.

Location of the Taam Ja’ blue hole in Chetumal Bay, Mexico, and images from a scuba diving expedition in December, 2023. (Image credit: Alcérreca-Huerta et al. Frontiers in Marine Science (2024)) ...

At the bottom of a 500-foot deep cave lies a stunning discovery - a deep blue hole hidden from the world above. In this video, we descend into the depths to uncover this geological marvel ...

Blues clues: Researchers were flabbergasted over the discovery of the Taam ja', a blue hole in Mexico that measures a whopping 400 feet deep, making it the second largest in the world.

Called Dean’s Blue Hole (named after a Bahamian fisherman), this impressive marine formation, located in a protected bay west of Clarence Town, is the third-deepest blue hole in the world ...

A dive to the deepest parts of all five oceans Sinkholes don't just happen on land, they also happen in the ocean where they're known as blue holes. And now, researchers say they've found the ...

The world's largest blue hole—the Dragon Hole in the South China Sea—isn't much deeper than this newly discovered one. It clocks in at about 980 feet deep.