“A diamond is forever.” That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity. But our new research, ...

For more than a quarter-century, he's returned numerous times a year to this ancient volcanic crater snuggled in the vine-draped hills of southwest Arkansas. Using a metal washing drum and a series of ...

Most diamonds are formed deep inside Earth and brought close to the surface in small yet powerful volcanic eruptions of a kind of rock called “kimberlite”. Our supercomputer modelling, published in ...

Twenty years ago, deep beneath Botswana’s Kalahari desert, Thomas Gernon found himself walking in what seemed like hell. The temperature soared as the sound of explosions echoed off the walls. “It was ...

Crater of Diamonds, which sits on the eroded top of a volcanic pipe, is the eighth largest diamond deposit in the world. It is one of only two active diamond mines in the United States and is the only ...