Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

An analysis of a 700-year-old ring reveals a unique reddish-purple sapphire set in 18-karat gold with a lion decoration.

While digging at a private mine, a rare amethyst crystal emerged—deep purple, perfectly formed, and truly unexpected. It’s a once-in-a-lifetime find.

The Marie-Thérèse purple-pink diamond, a 10.38 carat stunner, fetched a record $13.98 million at Christie's Magnificent ...