Natural sinkholes threaten 20 percent of the U.S., including Pennsylvania, Florida and states across the South ...

NEW YORK (AP) - Scientists say a stone knife and other artifacts found deep underwater in a Florida sinkhole show people lived in that area some 14,500 years ago. That makes the ancient sinkhole the ...

Sinkholes form when specific types of rock dissolve beneath the ground, but their collapse can be triggered by earthquakes and heavy rain. What are they and how do you know where they form?

The state is responsible for fixing the damaged highway, however, what if a sinkhole damaged your home? Are homeowners in New Jersey covered for sinkhole damage with their standard homeowner's ...