A Romanian woman unknowingly used a 3.5-kilogram chunk of rare amber as a doorstop for decades, unaware of its true value.

One of the world's rarest diamonds is up for auction - for an expected £15million. The Mediterranean Blue is a vivid blue diamond ring weighing more than ten carats. And the stone is classified as a ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than ...

The 158.20-carat rock is one of only five yellow diamonds weighing more than 100 carats ever found at Diavik in its 22-year ...

It takes lithium and cobalt to build the batteries that power electric vehicles and e-bikes, nickel and rare earth elements ...

Laid out like an orchestra in a quiet gallery room, 40 colorful gems have one of the planet’s most distinguished conductors: a red diamond, 2.33 of the rarest carats in the world, shining like a ...

Chris Thompson’s attic contained a treasure trove of rare gems and minerals, safely tucked away and incased in bubble wrap.

This town tucked high in the Chiricahua Mountains is surrounded by towering cliffs and lush forests. Here's how to plan a trip to tiny Portal, AZ.

Expect the unexpected, from jazz to folk to global beats. Keep your ears open for these innovative artists during this year’s ...