After Trump's inauguration, the mine quickly drew the attention of Elon Musk and DOGE, which is looking to modernize the ...

Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world. But what exactly is a geode and how do crystals form inside them?

Getty A woman died on Friday after falling roughly 100 feet inside a ... the caves are used by humans for “shelter, religious purposes, moonshine production, mining of saltpetre, groundwater ...