Rescuers are searching for a woman who went looking for her lost cat and apparently fell into a sinkhole that opened above an ...

Pennsylvania State Police troopers found this sinkhole while searching for a missing woman; Pennsylvania State Police (UNITY ...

Elizabeth Pollard of Unity Township was looking for her cat, Pepper, on Monday night when Pennsylvania State Police say she ...

Authorities fear a woman in western Pennsylvania who disappeared while looking for her cat may have been swallowed by a ...

As the search for Elizabeth Pollard stretches into another day, police and rescue crews said they remain hopeful despite the ...

Sinkholes usually form over time by a phenomenon called karst processes, in which groundwater breaks down minerals in the ...

Pennsylvania, where a grandmother disappeared this week, is one of the states where sinkholes are most common in the U.S.