Mammoth Cave National park may soon see a major expansion after two prominent Kentucky lawmakers introduced a new bill.

Sen. Mitch McConnell and Rep. Brett Guthrie both filed the Mammoth Cave National Park Boundary Adjustment Act on Thursday.

The surface of Mammoth Cave National Park encompasses about 80 square miles. No one knows how big the underside is. More than 365 miles of the five-level cave system have been mapped, and new ...

Sen. Mitch McConnell and Rep. Brett Guthrie introduced the "Mammoth Cave National Park Boundary Adjustment Act" in Congress.

It may come as a surprise that the subterranean world of Mammoth Cave is not immune to the impacts of air pollution. Airborne contaminants can find their way into the cave passages, affecting delicate ...

Kentucky’s most well-known national park could be getting bigger, as U.S. Senator Mitch McConnell, R-Louisville, and U.S.

A major expansion could be coming to Mammoth Cave National Park, as lawmakers are pushing a bill to add more land to the tourist attraction. Earlier Thursday, Sen. Mitch McConnell and Congressman ...