Meghan Markle has unveiled yet another transformation of her iconic engagement ring, featuring a striking emerald-cut centre ...

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The former actress, 38, who was engaged to Paul Michael until 2023, wore a pear-shaped diamond ring as she stepped out in LA on Saturday. The She's The Man star went make-up free for the outing ...

In a photo circulating on social media, the 29-year-old proudly displayed a stunning sapphire engagement ring. Recommended videoYou may also likeWATCH: 7 of the most expensive royal weddings of ...

Blue rings found in the stems of trees and bushes in Norway point to a historic cold period in the late 1800s, but the exact cause of this climatic event remains unclear, scientists say.

A blue ring formed in 1902 in a tree in northern Norway. Credit: Image by Pawel Matulewski and Liliana Siekacz. Blue growth rings in woody plant stems indicate years when cells failed to lignify ...

Taken from a tree in Norway, this stained tree sample shows a blue ring from 1902. (Credit: Pawel Matulewski and Liliana Siekacz) Human skin isn't the only thing that can change color after facing the ...

Scientists have discovered that peculiar "blue rings" in wood samples reveal the aftermath of chilling volcanic eruptions that disrupted growing seasons over a century ago. When summers turn ...

A blue ring formed in 1902 in a tree in northern Norway. Image by Pawel Matulewski and Liliana Siekacz. Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the ...

Overall, only 2.1% of the pine trees' rings and 1.3% of the juniper shrubs' rings were blue; the cells which hadn't lignified properly were mainly found at the end of growth rings, in latewood ...