NAGO, Okinawa Prefecture--A treasure trove of rare limestone structures has been found in a small cave system on Nagashima, an islet off the Henoko district of this southern city, a group of ...

Microscopic tunnels hidden inside desert rock are forcing scientists to rethink how ancient life spread across Earth. These ...

Nearly 15% of Earth’s landmass is steeped in karst landscapes, which are essentially limestone structures sculpted naturally over time by climate change. When rainwater seeps into the cracks and ...