“There’s a Hole in the Bottom of the Sea” is a silly ditty about a hole, a log, a bump, and a frog in the bottom of the sea. … But it is a fitting reminder of how little we actually know ...

Every now and then for the last 50 years, an enormous hole opens up in the Antarctic sea ice. And by enormous, we mean truly enormous — the feature in question was twice the size of Wales last ...

A new exploration of a legendary blue hole in the South China Sea has found that the underwater feature is the deepest known on Earth. According to Xinhua News, Dragon Hole, or Longdong, is 987 ...

Though they’re not entirely sure, scientists think hungry harbor porpoises might be responsible for digging thousands of holes in the floor of the North Sea.

Off the coast of Belize, in the Caribbean Sea, lies a captivating natural wonder familiar to any nature photography enthusiast: the Great Blue Hole. This perfectly circular sinkhole in the middle ...

In the dark in the hole in the bottom of the sea.” Working in gouache and collage, McDonald (Over in the Meadow) gives the shark a wide, toothy grin and a mischievous gleam in its eye, as ...

This hole is reminiscent of the "pineal foramen" found in several lizard species, which contains a tiny light-sensitive organ called the pineal eye. Could sea snakes also have a pineal eye?

They ambush their prey from the hole, but shorebirds eat them when they exit. Ghost crabs also tunnel holes in the sand. The 1-inch to 2-inch-long crabs are extremely fast and scavenge most anything.

The polynya, as it's called, far from the sea ice coastline, where such holes more frequently appear. And despite being exposed to wintry winds, it persists.

South China Sea's blue hole calls into question theories about the way underwater sinkholes form.