The Blue Wizards are The Lord of the Rings' most mysterious Istari. The Istari are a huge presence in The Lord of the Rings, even though many don't realize it. Gandalf is the most famous Istar ...

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 ...

Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at tree rings — which can tell us far more than just the trees’ age. ‘Blue’ ...

Known as the Blue Wizards, their story has much in common with Hinds’s Istar on The Rings of Power. In classic J.R.R. Tolkien fashion, the canonical history of the Blue Wizards in Middle-earth ...

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 ...