What causes a sinkhole to form? They can be a life-threatening disaster—or a pricey nuisance. Here’s what you need to know about the depressions and holes that can form beneath our feet.

"Sinkholes form in regions where there are many subterranean cavities and the bedrock experiences structural failure," Steve Brenner, a professor in the Department of Geography and Environment at ...

In cities, sinkholes can emerge after a water main break or a burst pipe. They can also occur in areas where there is abundant rain, according to National Geographic. At least in the US, there is ...

Over the past 15 years, sinkhole damage costs an average of $300 million a year in the U.S.. There are several ways to identify a sinkhole in progress. Slumping or tilting trees or fence posts and ...

Sinkholes are fairly common in areas near caves, sinking streams and more. Recently, they've become a cause for concern as authorities searched for the body of a Pennsylvania woman who fell into ...

In the US, sinkhole-related damage now exceeds $300m (£237m) annually. In China’s Shaanxi province, more than 20,000 sinkholes were recorded between 2000 and 2020, a number that continues to ...

Health & Science ‘The ground isn’t there anymore:’ Researchers searching for reason second sinkhole opened up in Daisetta. The answer may be hundreds of feet in the ground.

The West Virginia Division of Highways is drawing up plans to repair a sinkhole that opened on Beverly Road in Fairmont.

Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota stand out, said Paul Santi, a professor of geological engineering at ...