It's an open-pit mine, formed around a kimberlite pipe, a rare type of volcanic rock formation that can contain high ...

Did you ever go out with friends as a child and roam around the neighborhood, pretending to look for space rocks? Any time ...

In 2015, while prospecting in Maryborough Regional Park near Melbourne, Australia, David Hole unearthed a heavy rock that he ... had found was not a gold nugget but a rare meteorite.

Until now, the hardest diamonds have been found in asteroid and meteoroid impact craters, meaning they are rare and often very small. Most natural and synthetic diamonds have a cubic structure ...