As flowing water erodes the limestone layered beneath the Earth’s surface in southwestern Indiana, caves and sinkholes develop. This hilly underground landscape occurs naturally and allows unfiltered ...

The Island has some of B.C.’s most well-known karst features — such as caves, sinkholes and underground rivers — but they’re threatened by logging.

SAN ANTONIO – San Antonio gets its drinking water from the Edwards Aquifer, it’s a karst or limestone system. A Karst or limestone system is an area where the rock is dissolved by water and fractures ...

Dr. Jayson Q. Caranza, an assistant professor at the Nueva Vizcaya State University, dips in an underground river inside the Capisaan Cave System that is home to awe-inspiring rock formations. With ...

Our report on the study of karst took us from local experts to a globally-acclaimed scientist. The ground under Augusta County, the way it's formed, is simple to conceptualize if you picture one ...