Once considered a fringe idea, the prospect of offsetting global warming by releasing massive quantities of ...

Buying a diamond is an emotional moment. Whether it’s for an engagement ring, a Diwali gift, or simply a treat-yourself ...

A 37.4-carat pink-and-colorless diamond found in Botswana’s Karowe mine reveals a rare two-stage formation deep within ...

Experts at a laboratory in Botswana managed by the Gemological Institute of America recently examined an extraordinary ...

Diamond rain falls on ice giants Uranus and Neptune, where intense pressure and heat transform methane into crystallizing diamonds. Scientists recreat ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do ...

Seemingly contradictory materials are trapped together in two glittering diamonds from South Africa, shedding light on how ...

The story behind the award-winning photo of an elusive brown hyena bringing new life to the Namib Desert.

Miners in Botswana have unearthed a striking two-toned diamond that is half pink and half colorless, a rare natural gemstone ...

Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the Earth from 1 billion to 3 billion years ago.

The discovery of two diamonds originating from the depths of the Earth's mantle reveals a chemical coexistence that scientists had until now deemed unimaginable. These precious stones, formed several ...