Adding crushed calcium carbonate—limestone—to agricultural fields can remove tons of carbon dioxide from the atmosphere each ...

Volunteers cleaning up flood debris in the Sandy Creek area of Travis County recently discovered tracks from dinosaurs that ...

Rocks tell us a story which most climate scientists seem to have ignored in their panic about a runaway greenhouse effect ...

Fossils formed when an animal's shell or other hard structure is buried without being broken into smaller pieces. Over time, the shell is replaced with limestone forming a replica or print of the ...

Karst formations like this one in Guizhou Province, China, are formed by the wearing away of carbonate rocks—mainly limestone.

If you find the limestone in Minneapolis or St. Paul, you'll know the building or wall you’re looking at likely dates back over 140 years.

Constructing the Music City Loop will require navigating Nashville's limestone rich subsurface. Here's what to know.

The Hranice Abyss is located in a limestone formation in the Czech Republic. The stone face is full of holes worn away by acidic snowmelt, leaving it Swiss cheese-like, reports Science magazine.