Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what ...

Fossil collectors in Florida have discovered an ancient sinkhole, now at the bottom of a river, which holds the remains of animals rarely seen in the state, including a type of giant armadillo, giant ...

Florida is home to an underwater cave system that attracts divers, yet this is one of the most dangerous sites in the world.

Japanese authorities have asked hundreds of residents near Tokyo to evacuate as a sinkhole at an intersection grew to more than 40 meters wide, hampering rescuers racing to reach an elderly truck ...

Much of the state of Florida is underlain by limestone, making it extremely susceptible to the phenomena, USGS noted. Takashi Oguchi, a geographer from the University of Tokyo, said sinkholes ...