A tiny beetle has infested dozens of trees in a canyon in the Santa Susana Mountains in the Simi Valley area, marking the invasive insect's spread to a sixth Southern California c ...

The roots of that big tree in your yard may be infiltrating your underground plumbing right now. If the species is shallow-rooted, it's even more likely.

The invasive Goldspotted Oak Borer beetles are responsible for killing at least 200,000 oak trees in SoCal, increasing fire ...

Owls visit your yard for food. They stick around for sleeping, nesting, and hunting purposes, if the conditions are right.

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

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 ...

The American beech tree in Jim Berman and Liz Bryant’s Valparaiso backyard is officially the largest of its species in ...

For decades, scientists have relied on tree rings to estimate how long trees can live. But new research suggests that this widely used method may have been underestimating the lifespan of many ...

The spread of an invasive pest called spongy moth is becoming a big threat to Olmsted County’s economy, environment, and ...

SAN ANTONIO – In South Central Texas, oak trees aren’t just trees: they’re infrastructure, history and climate protection. Between February and June, those trees face an increased risk from oak wilt, ...

Campaigners had fought for years to save a much-loved tree ...

As this is the time of year when Aloe vera is in bloom, the story of how this plant arrived in our hemisphere is worth ...