A sinkhole is a depression in the surface because the underlying rock has collapsed. They can be saucer-shaped or appear ...

Rescuers were searching for a Pennsylvania grandmother who is believed to have fallen into a sinkhole while searching for a lost cat Monday evening. Elizabeth Pollard, 64, apparently fell into a ...

We looked into what causes potholes and sinkholes and what PennDOT is doing to fix them. Potholes are pretty common across the Susquehanna Valley, but sinkholes occur less frequently and could lead to ...

Abandoned mineshafts have caused the repeated sinkholes along I-80 in Wharton. In Ogdensburg, visitors can see what it once looked like underground ... and we have to do it in an environmentally ...

A sonar view of the sinkhole-like features on the floor of ... What we want to do, in this case, is not just to go look — we're trying to understand the amount of groundwater that might be ...

The sinkholes sit roughly 450 feet below the ... Some of the ones in Lake Michigan do look like limestone karst features that we've seen on land in the state of Michigan. And we'll put the data ...