MARIN COUNTY, Calif. - The rainy season brings life-giving water to California but often enacts a penalty in the form of ...

Residents of a Pasadena neighborhood came out Sunday in support of an ailing oak tree estimated to be about 200 years old.

Oak trees in Michigan are being killed by oak wilt, a fungal infection that's spread by a beetle in the spring and summer.

Trees across Michigan are just wrapping up an incredible show of fall color, with the reds, oranges and yellows of oak trees often taking center stage. That annual autumn colorfest may be at risk, tho ...

the disease can be handed off from one tree’s roots to another. In a forest or oak grove, “this can cause a ‘pocket of death’ as one tree dies, then the next year all of the trees grafted ...

A spokesperson for the city of Pasadena told KTLA that the tree is believed to be less than 100 years old and not 200 years ...

Oak wilt is a fatal and fast spreading fungal disease that affects all types of oak trees around the world, with over 600 ...

Until recently, only one strain of the microscopic phytophthora ramorum, which causes the disease that is lethal to oak trees ...

Residents of a Pasadena neighborhood came out Sunday in support of an ailing oak tree estimated to be about 200 years old.