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 ...

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 ...

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room. When you purchase through links on our site, we may ...

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 ...

While modern-day inhabitants of Florida enjoy serene sandy beaches, abundant springs and lush subtropical vegetation, there was a time, millions of years ago, when much of the peninsula was underwater ...

A single specimen of the new sponge, Raphidonema indica n. sp., is the first Eocene sponge to be reported from India. It was collected from the Fulra Limestone Formation at Lakhpat, Kutch, India. The ...

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 ...