What is rare is stumbling upon a pocket where any of them is concentrated enough to mine economically, and extracting them without leaving a toxic mess. Why the world suddenly car ...

Scientists have discovered the elusive properties hidden within promethium, a rare earth element that has remained largely ...

Chirality—the property of an object that is distinct from its mirror image—has long captivated scientists across biology, ...

For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...