A city council committee backs seeking $100,000 from federal program to help assess the tree inventory this year, part of a ...

A small reddish insect is on the march and Chinese space technology could halt the pest’s path of destruction.

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

A healthy garden attracts more than pollinators. It can bring California quail, too. Discover how these social birds help ...

Bark beetle damage has more than doubled for two consecutive years as warmer winters extend the insects' active season across ...

Don't worry if you live in the Northeast — this pest usually sticks to other regions. Here's where it's found and why your trees may (or may not) be at risk.

Everyone loves to see beautiful, full, well-proportioned, valuable trees. We look at them for timber value and for their aesthetics. But contrary to our modern way of looking at nature, many species ...

The long-struggling Florida citrus industry now faces an invasive species crisis, but researchers have a plan to fight back.

For centuries, this giant tree has stood silently across villages, temples and public spaces, witnessing generations come and ...

The ash trees in the Columbia park are brittle and at risk of falling after dying from infestation by the emerald ash borer.

Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

Australia is baking through another extreme heat wave, with temperatures forecast to reach above 45°C for multiple days in a ...