Sinkholes usually form over time by a phenomenon called karst processes in which groundwater breaks down minerals in the underlying soluble rock. The dissolved minerals create spaces inside the ...

The Xiaozhai Tiankeng, often called the “Heavenly Pit,” stands as the planet’s largest and deepest known sinkhole. This extraordinary geological formation located in southwestern China has captivated ...

Fatalities are rare. A sinkhole is an area of ground that has no natural external surface drainage and can form when the ground below the land surface can no longer support the land above ...

A local disaster emergency was declared in the Tarentum borough after the formation of a sinkhole resulted in the immediate ...

Infrastructure built on such dolomite areas are inherently vulnerable, especially where there are leaking water or sewer ...

“It’s actually a hot topic in research right now — how sinkholes form and how we can alert before one happens." Despite the quick response from road crews, some drivers are still uneasy.

Ernst Kastning, a retired geology professor who taught at Radford University in Virginia, said sinkholes are often a natural reaction to a sudden change, like torrential rain. They can form as all ...

Bellevue neighborhood regains water after a main break causes a sinkhole, disrupting local traffic and businesses.

A Sinkhole May Have Swallowed a Pennsylvania Woman. What Are Sinkholes and How Do They Form? Authorities fear a woman in western Pennsylvania who disappeared while looking for her cat may have ...