Limestone rocks found high on the mountain contain remains of marine organisms that once lived in the ancient Tethys Sea.

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 ...

Though decidedly less warm and fuzzy, Limey would have made a much more relevant representative of IU’s contemporary history. There’s a life lesson in the history of Indiana limestone, though it might ...

Rock art hunter Tormod Fjeld was driving in eastern Norway with his daughter when he thought a prominent coastal hill looked especially promising. The pair stopped and soon discovered 3,000-year-old ...