Some of the land slightly sunk over time after the subdivision was built, and a hole opened up beneath a back porch, but the ...

A large sinkhole opened up in Nashua, New Hampshire, causing delays in the city during Friday’s evening commute. Nashua ...

Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota ...

Families in a South Dakota neighborhood are fearing for their safety as sinkholes have appeared around their homes in the ...