You probably aren’t watering or pruning the 75-foot oak or maple in the front yard, but mature trees aren’t maintenance free.

Spring transforms Northern California into a wonderland of blooms, waterfalls, redwoods, and ocean views you won’t want to ...

If you’ve noticed unusual bumps that look like tiny “horns” or brown spots on the leaves of your oak tree this winter, you’re not imagining it. Many residents in the region are seeing a higher ...

For the first time, researchers have observed and measured weak electrical discharges, known as coronae, on trees during thunderstorms. A new study describes the near-invisible sparkles appearing ...

Walk around Seattle, and you might spot shiny, purple berries that look almost unnatural, a metallic jewel tone. Google that ...