Opal’s first webcam looked great — and was a pain. For the company’s second effort, it made everything smaller, better, and simpler. Opal’s first webcam looked great — and was a pain. For the ...

Few realize that the world’s most famous black fire opal – the official Nevada State Gem – was discovered in Nevada’s remote Virgin Valley in 1918. Col. W.A. Roebling, a civil engineer who helped ...

A giant opal that weighs nearly 12,000 carats received a six-figure bid at an auction in Anchorage, Alaska. The precious stone, which is split in two, was sold for $143,750 on Sunday by Alaska Premier ...

Mineral Monday is a weekly video series exploring the many amazing minerals, fossils, and historic objects on display at the W.M. Keck Earth Science and Mineral Engineering Museum as told by museum ...

Many people want to develop better screen-time habits, but don’t have a good set of tools to do so. A new startup, Opal, aims to help. The company, now backed by $4.3 million in seed funding, has ...