Unlike oil or coal, hydrogen doesn’t need to be burned. When used in fuel cells or combustion engines, its only emission is ...

Rare earth elements are tiny yet essential parts of many of the technologies you use every day. New techniques are making ...

NASA's Perseverance rover has discovered a haunting rock formation on Mars that looks unsettlingly like a skull. Dubbed "Skull Hill," the jet-black outcrop is so bizarre and out of place that even ...

A fossilized creature found in a South African roadside quarry 25 years ago finally has an official name. The small, ...

Originally published as Monsters of Rock: Critical minerals stockpiles could herald golden age for rare metals (or just big warehouses) ...