Could stalactites growing inside ancient tunnels prove Tiwanaku is 12,000 years old? This investigation examines the ...

Stalactites, dripping fissures, stalagmites, calcareous formations, helictite growths, calcite rafts, travertine drips and films – these are geological terms for structures within the lovely cave.

It looks like an alien flower, but this spiny tentacle is actually a geological formation. The most awe-inspiring specimens are found in Brazil’s limestone cave Caverna da Torrinha. This photograph ...

Four tourists who broke a stalactite into pieces for souvenirs at a visitor attraction in central China on the weekend apologised and offered to make reparations after a warning from police. The ...