Gold doesn’t tarnish like similar metals do. A new paper says that the key is the intricate “herringbone” pattern of its ...

Gold is the most noble of all known metals – it doesn't react readily with substances like the oxygen that bonds with atoms ...

Gold has survived in tombs, shipwrecks and museum cases with a stubborn glitter that other metals cannot match. While iron ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

An iron pillar placed in the UNESCO-listed Qutub Minar complex in New Delhi has long fascinated scientists for surviving over 1,600 years without rust. Standing tall at 7.2 metres and weighing six ...