According to detailed bathymetric work, the cavity now ranks as the deepest known blue hole globally, overtaking famous contenders in the Bahamas and the South China Sea. The site, formally described ...

Sinkholes are surprisingly selective. They require the right rock, the right water chemistry, the right underground space and ...

A humongous sinkhole opened on a street in Bangkok, Thailand, swallowing three vehicles as it spread. According to PEOPLE, the 160-foot deep, 98 square foot hole opened on Wednesday, September 24. As ...

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 ...

A huge sinkhole measuring larger than a tennis court suddenly opened up near a copper mining operation in Chile, swallowing large chunks of soil, and investigators are trying to figure out what ...