NASA’s Curiosity rover has discovered opal on Mars. The deposits may prove to be valuable to future Martian explorers not as jewelry but as a potential source of water. Opal is formed when water ...

A gem of a meteorite found in Antarctica is studded with pieces of opal, a crystal that is associated with water. The discovery lends greater strength to the idea that meteorites brought water to ...

NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...

Everybody has their passions. For some people, that passion is high-quality ice cubes. For them, the Opal Nugget Ice Maker has been a been a godsend. It’s pricey, costing buyers a cool $550 to get ...

Victoire de Castellane, the Paris-based creative director for Dior fine jewelry, remembers the moment that opals, which are formed from silica in fissures of rocks, first captivated her. At age 6, she ...