In the South China Sea, near the Paracel Islands, the aqua-colored waters of an expansive shallow reef platform suddenly gives way to a near vertical shaft of vast darkness – an ocean sinkhole almost ...

A West Oak Lane neighborhood is grappling with a massive sinkhole that has left many residents without water.

A blue hole in the sea near Mexico is so deep that humans have yet to reach its bottom. It also has certain conditions that ...

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Thinking of retiring in Florida? Our revealing list exposes the surprising reasons why it might not be the retirement ...

Almost one decade of recorded data retrieved from deep coral reef dives reveals some of the first evidence of that climate ...

In 2000, Russian-Israeli Yuri Lipski bravely ventured into the Blue Hole, huge marine cavern, off Egypt's coast but he soon ...

Yuri Lipski, a Russian-Israeli scuba diver, plunged into the Blue Hole in the Red Sea off Egypt's coastline and never ...

Yuri Lipski's helmet camera captured his final moments at Egypt's Blue Hole in 2000 after he declined expert warnings about ...

Journey across ice, tundra and fjord to see how the world’s largest island is changing – and what its future might mean for us all ...

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 ...