Tree cores pulled from some of the planet’s oldest trees have helped extend records of past weather.

In a remote corner of the White Mountains in eastern California, there is a living organism that was already ancient when the Great Pyramids were being built. This tree, a Great Basin bristlecone pine ...

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...

KANSAS CITY, Mo. (KCTV) - Frank the tree, a bur oak that has stood for more than 250 years as one of Missouri’s oldest, is being removed this month due to damage from fungal infection. The hardy bur ...