At the Wales v England Six Nations rugby match in March, Kate Middleton wore earrings in lapis lazuli, a stone prized since ancient times for its dazzling blue hue and protective properties, and ...

ABSTRACT Pizzo Tremogge in Val Malenco, Italy, is a source of gem-quality serpentine. Samples from this mountain locality were investigated by standard gemological and petrological methods, Raman ...

"The discovery emphasizes the dynamic nature of Yellowstone's thermal activity," Yellowstone Volcano Observatory's Mike ...

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

A 13-foot-wide hot pool formed over the winter in one of Yellowstone’s most active areas, and it could offer new insights ...

Christmas came early for geologists at Yellowstone National Park this April when a regularly scheduled survey resulted in ...

Researchers found that Bacillus megaterium can turn over 94% of CO₂ into solid rock using a clean, non-ammonia process.

Get ready for a little Christmas in July: There’s a new baby blue pool in Yellowstone National Park, and science suggests it started forming on the winter holiday.

Calcite Springs along the Yellowstone River in the northern section of Yellowstone National Park Wyoming in summer, Calcite Springs is located in the northern part of Yellowstone National Park ...

A 1,156-ct calcite gemstone cut from a twin crystal presents an unusual phenomenon when the interior is viewed through the table. One observes a multitude of colored images of the lower pavilion ...