Four hundred thousand years ago, near a water hole on grasslands bordering a forest in what is now southern England, a group of Neandertals struck chunks of iron pyrite against flint to create sparks, ...

Don’t be fooled. Even with your untrained eye for precious metals, you can use visual cues and a few simple tests to determine whether your metallic yellow find is pyrite vs. gold. Dubbed “fool’s gold ...

Pyrite, the yellow metal known as fool’s gold, has another trick up its sleeve: it can contain lithium, a crucial element in the world’s quest for greener energy, according to a team of researchers ...