A Pennsylvania grandmother was found dead last December after falling into a 30-foot deep sinkhole that opened into a long-abandoned coal mine. Elizabeth Pollard, from Unity Township, had been looking ...

Studying a past geologic event is like a forensic investigation of the Earth itself. What happened? When did it happen? And what does the event tell us about what might happen in the future? The when ...

Using rock samples collected from the Wasatch Fault, geoscientists combined experiments and analysis with examinations of fault rock textures. The team's research revealed significant clues about the ...