Sinkholes are the stuff of nightmares for some, and earlier this week, a gargantuan one suddenly opened up at a large intersection in Shanghai, China. Remarkably, it doesn’t appear as though anyone ...

“A sinkhole is a hole that opens up in the ground due to some change in the subsurface.” This simple definition, provided by hydrogeologist Laura Toran, sums up what is so chilling about sinkholes in ...