Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at ...

In Norway, scientists have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history.

Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.

Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...

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.

Becky Stone writes about jewelry styles for INSTORE. She is founder and CEO of well-known jewelry blog Diamonds in the Library. Retirement can be a great part of life. As Nanji Singadia puts it, “I ...

This sapphire from Kashmir has an intense velvety blue color. – Photo: Robert Weldon/GIA. Sapphire is one of the Big three of jewelry colored gemstones—the other two are ruby and emerald. A durable ...

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. Researchers ...