A Great Lake has an even greater mystery. Dozens of massive, 600-foot-wide sinkholes have recently been discovered 500 feet below Lake Michigan, but how they got there remains a head-scratcher.

Lake Coeur d’Alene’s depths reach 220 feet, a fraction of Lake Pend Oreille’s, making recoveries much easier for dive and ...

Scientists have discovered dozens of massive, naturally occurring craters beneath Lake Michigan during a recent expedition.

Lake Titicaca's altitude necessitates special diving gear, but local shops are equipped to assist. Beneath the surface, ...

There’s an underwater lake that kills almost anything that enters ... It’s around 100 feet in circumference and 12 feet deep. We found the Jacuzzi of Despair nearly 3,300 feet below the ...

There are "dozens" of holes lining the floor of Lake Michigan — and scientists are stumped as to why they're there.

A body has been found and identified following a three-day search for a man who drowned after his canoe tipped over at a ...

In January 2005, the USS San Francisco, a Los Angeles-class nuclear submarine, collided with an uncharted undersea mountain ...

On May 26, 2008, the British nuclear-powered submarine HMS Superb collided with an underwater pinnacle in the Red Sea, 80 ...

This reporter dived in Lake Michigan over wreckage said by his guides to be of the Griffin, the oldest shipwreck in the Great ...

That’s an astronomical amount of precipitation,” said Ed Clark, head of the National Oceanic and Atmospheric Administration’s ...