Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

China strengthens its dominance in rare earths with a new find in Yunnan, key to technology and defense, impacting global ...

If the scientists could very precisely measure the proportions of lutetium and halfnium in moon rocks compared to other ...

Distinctive and rare rock crystals were moved over long distances by Early Neolithic Brits and were used to mark their burial sites, according to groundbreaking new archaeological research. Evidence ...