Minerals
Cerulean is astonishingly difficult to make
This is the oldest blue pigment ever discovered in Europe
How do gold nuggets form? Earthquakes may be the key
Love Epsom salt baths? Here's how they affect your body
These deep-sea animals are new to science—and already at risk
‘Alien’ minerals never found on Earth identified in meteorite
Why turquoise became synonymous with New Mexico
Magazine sneak peek
Leaf-cutter ants have rocky crystal armor, never before seen in insects
Dig in! This nature reserve wants you to make a mess
Saharan dust is bad for health. But it’s also crucial to Earth’s biology and climate
How to cook a violent Viking stew—and a giant geode
Bizarre 'nesting doll' diamond found inside another diamond
Lost continent revealed in new reconstruction of geologic history
Magma speed record set by Icelandic volcano
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