Tower Rock, a limestone formation in the middle of the Mississippi River, is newly accessible by foot. The destination is now popular with tourists, the Missouri Department of Conservation said. The ...

Slovakia is home to some of the most fascinating karst caves in the world, which are a must-visit for adventure junkies ...

You would have a hard time finding these common Earth rocks on our neighboring planets. Here’s what makes our landscapes so unique. Limestone landscapes, like this one in the Stone Forest in China’s ...

The most common process by which limestone caves form involves carbonic acid — or weakly acidic groundwater — as the primary agent. When carbonic acid contacts limestone, it dissolves minerals in the ...

Buried in the limestone and marble of Namibia, Oman, and Saudi Arabia, scientists have found mysterious micro-tunnels, too ...

IPOH: It may have taken millions of years to form, but a limestone formation located on private land here is now being partially cleared to make way for a house. Limestone hill conservation group ...

Geologists compared the spatial and temporal distribution of methane concentrations in the air of northern Siberia with geological maps. The result: the methane concentrations in the air after last ...

From the steps of settlers’ cabins to the steeple of the National Cathedral, Indiana-quarried limestone is known nationwide as both a “workhorse of building stones” and a symbol of permanency. “You ...