The Xiaozhai Tiankeng, often called the “Heavenly Pit,” stands as the planet’s largest and deepest known sinkhole. This ...

The Xiaozhai Tiankeng stands as the textbook example of what happens when karst processes are given perfect working ...

Lauren Bacchus is one of many people in Asheville who are strangely enamored with the city’s sinkholes.

Sinkholes have surged in the last few years, leveling houses, highways, and structures. Scientists attribute a blend of natural and human processes to making the state susceptible to these events.

It can take a lot of work to turn hilly property around Cincinnati into fairways. At one golf course in Hamilton County, that work lead to water issues. A conservation group is trying to help.

It would normally be packed. Now? Absolutely nothing." Is your property at risk from a sinkhole? There are thousands of natural sinkholes, also known as dolines, in the UK, particularly in the ...

Sinkholes are not uncommon in St. Louis. The city sits atop a number of caves, some of which were used to store beer. Porous bedrock makes the area susceptible to natural sinkholes. And there have ...