Researchers use a portable fluorescence spectrometer to analyze the glowing formations in underground caves. Now, researchers ...

This bizarre Patagonian cave remains shrouded in mystery. Its walls exhibit three distinctive styles of cave art linked to a hunter-gatherer society that flourished in Argentine Patagonia around ...

Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceros into the walls, a fabulous prehistoric menagerie that ...

Deep underground, where sunlight never reaches, ancient minerals lie hidden within the rock – until illuminated by a black light. In that moment, once-drab walls blaze with color: pinks, blues, and ...

Laura White, who was visiting York from Australia, says "tipping" the walls is a brilliant idea On a sunny day in York, crowds of visitors flock to the city centre to enjoy the weather. Among the ...