Cave formation starts with a simple chemical reaction between water and carbon dioxide in the atmosphere, creating carbonic acid. This weak acid forms when rainwater combines with CO2, then ...

Gabriel C Rau has received funding from the NSW Government (Australia), the European Commission, the German Research Foundation (DFG) and the German federal government. Cave explorers have traversed ...

Scientists have identified what appear to be enormous water-carved caves on Mars, revealed through giant skylights in the ...

Cave explorers have traversed what’s now the deepest known cave in Australia. On Saturday a group of explorers discovered a 401-metre-deep cave, which they named Delta Variant, in Tasmania’s ...

Deep below the Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

Mars skylights like this could be the mouths of caves formed by lava tubes. NASA wants to explore them. Credit: NASA / JPL-Caltech / Univ. of Arizona Ever since scientists have had an orbiter's view ...

Scientists have identified several caves carved by water and they may have held or have evidence of extraterrestrial life.

Caves carved by water that once flowed beneath Mars’s surface could have been ideal for life to thrive, if it once existed on the Red Planet, and they might still preserve traces of it today. Mars is ...

It's no surprise Missouri is known as the cave state. More than 6,000 caves lie beneath the karst landscape, with more caves discovered every year. And there's still lots to learn about them. In 1976, ...

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. The chemistry in Wind Cave, South Dakota, means that, under an ultraviolet (UV) light, ...