Gold is one of the rarest and most fascinating elements on our planet. It formed in space during violent collisions between neutron stars and eventually made its way to Earth. Over thousands of years ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Gold is a heavy metal and one of Earth's rarer elements, formed in space when neutron stars ...

Earth is essentially filled to the brim with gold reserves, however, this seemingly unlimited resource may also be dwindling ...

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Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. For a long time, there has been a missing puzzle piece in ...