Gemstones are valued based on the Four Cs - color, clarity, cut, and carat. Precious stones include diamonds, sapphires, ...

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

Researchers Reveal Stone Spheroids Were Crafted Intentionally, Hints at Interest in Symmetry and Geometry A recent study by ...

With the above facts about rocks, now you know that they are not the usual stones you see around you. There are many things to learn about rocks, yet researchers continue to unearth more information ...

Positive high-grade copper, gold, and silver surface sampling results validate the significant copper porphyry potential at ...

In early August, blue crab fans took over Lewes, Delaware, for the Crab Pot Jamboree, where the biggest catch was learning how to avoid turning your crab pot into an underwater lost-and-found.

‘Our extensive field gemology program is the foundation of our colored stone research and identification and country-of-origin services,’ said Tom Moses, GIA chief laboratory and research officer.

Hundreds of unusual discs unearthed in Denmark are revealing clues into how a Stone Age population responded to a devastating volcanic eruption nearly 5,000 years ago, a new study has found.

Located on the southern end of the Danish island of Bornholm, these stones are flat pieces of shale featuring intricately drawn Sun motifs. Scholars now speculate that these stones might have been ...

Carlos Alcaraz waves to the crowd after winning in the fourth round at the Australian Open. / IMAGO / AAP What is better than advancing to the quarterfinals of the Australian Open? Picking up a ...

A search is under way to trace up to 30 missing fragments of the Stone of Destiny - the ancient coronation stone of Scottish kings. The pieces were separated from the artefact when it was secretly ...

Hundreds of mysterious engraved “sun stones” unearthed in Denmark may have been ceremonially buried because a volcanic eruption in about 2900 BC made the sun disappear. A total of 614 stone ...