Arkansas could have leased this land to a mining company. Instead, the state maintains it as the only diamond-producing site ...

Here's everything you need to know about the Diamond League Meet in Lausanne, including TV channel and streaming options for ...

Researchers Developed a New Kind of Diamond From a Meteorite — And It's 58% Harder Than a Normal Diamond A new kind of ...

President Donald Trump has made clear in recent weeks that he’s willing to use the vast powers of his office to prevent his ...