The acidic groundwater drained away to reveal a dissolved cave system with large gypsum deposits, a telltale by-product of a reaction between sulfuric acid and limestone. To learn more about the ...

Since 2004, researchers have been studying the Frasassi cave system, an actively developing limestone cave system located 1500 feet underground in central Italy. Only the microbes located above ...

This exceptional system of limestone caves comprises collapsed dolines, some 6 km of underground passages with a total depth of more than 200 m, many waterfalls and one of the largest known ...

“It decomposes very easily after the animal dies,” said Reisz, who explained that this sample was preserved due to the unique features of the Richards Spur limestone cave system, where many of ...

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 ...