Shortly before 2000, California oaks began dying. The University of California launched an investigation. What was causing this plague, and how might California oaks be kept healthy? A water-borne ...

The Shumway Oak Grove Regional Park in Stockton launched an autumn nature walk for the community to get an inside look at how important California's historic oak trees are, especially during the fall.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (FOX 5/KUSI) — An invasive beetle ...

It’s less than a half-inch long but it can fell a giant oak tree in no time. The goldspotted oak borer, GSOB or Agrilus auroguttatus, is a 0.4-inch bullet-shaped beetle with six golden spots on its ...

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The California oak moth is a creature of extremes. Most of the time these small white insects fly completely under the radar. But every once in a while, they go on a breeding frenzy that is impossible ...

An Inland Empire city has approved a development project within 450 feet of the third oldest known living organism in the world — a sprawling, shrub-like oak tree that is more than 13,000 years old.