In Mandarin Chinese, the word "tiankeng" directly translates as "heavenly pit" or "sky hole," a phenomenon known as a ...

Scientists just discovered the deepest sinkhole in the world off the coast of the Paracel Islands, disputed territory in the South China Sea. The Sansha Yongle Blue Hole is almost 1,000 feet deep ...

China’s enormous sinkholes are drawing huge crowds of tourists, but experts caution that the influx of visitors poses a serious risk to the delicate ecosystems within these natural wonders.