A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

The analysis of ancient, superdeep diamonds dug up from mines in Brazil and Western Africa, has exposed new processes of how continents evolved and moved during the early evolution of complex life on ...

Two diamonds from South Africa’s Voorspoed mine provide a rare direct insight into the chemistry of Earth’s mantle. Although diamonds can be formed in multiple ways, the findings add to evidence ...

The Argyle formation in Australia, which hosts 90% of the world's pink diamonds, formed when the first supercontinent broke up. When you purchase through links on our site, we may earn an affiliate ...

Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder.