To reach their conclusion, the researchers analyzed genomic variation from more than 1,000 individual trees from 61 separate populations around the Oregon ash range, extending from California ...

But as it continued and he looked out his window, he was surprised to see that a green ash tree in front of his house, near the street, had been cut down by a work crew. It was one of about 25 ...

Recovery efforts are underway after a powerful storm swept through Northern California this weekend, toppling trees and causing widespread damage. Among the hardest hit are Nick Ash and Sarah Wood ...

An Erie artist has transformed an ash tree in the front yard of a Loveland home from beetle-damaged timber into a piece of art. Chrissy Allison, who has lived in the home just north of the Benson ...