ORANGE COUNTY, Fla. – At the north end of Orange County, a water-filled sinkhole dubbed the “Mystery Sink” sits as the deepest point in the entire state. And being so close to Interstate 4, most ...

“A sinkhole is a hole that opens up in the ground due to some change in the subsurface.” This simple definition, provided by hydrogeologist Laura Toran, sums up what is so chilling about sinkholes in ...

Hundreds of sinkholes have appeared in a drought-plagued region of Turkey, with new ones collapsing into the Earth across the parched landscape. A recent assessment by Turkey's Disaster and Emergency ...

This amazing astronaut photo shows the bizarre whale-like shape of a Belizean tropical island. The coral-reef-covered structure is home to the Great Blue Hole, one of the deepest marine sinkholes on ...

In early January, a giant sinkhole formed at an intersection in the West Oak Lane neighborhood of North Philadelphia after a water main break. Just two weeks earlier, the city reopened a section of ...

Sinkholes are surprisingly selective. They require the right rock, the right water chemistry, the right underground space and ...

Wrapped in warm sweaters and kitted out in hiking boots, the small group chatted and laughed before setting out on an ...