An aggressive hatch of Douglas-fir tussock moth caterpillars is threatening trees, both in national forests and in Santa Fe.

The global demand for food is continuously increasing. The use of artificial intelligence can vastly improve the field of agriculture. Computer vision can help detect issues with crops. This work ...

What makes this tree stand out comes down to three traits: it’s a genetically pure orange, it produces sweet, high-quality fruit and most importantly, it’s shown resistance to citrus greening.

Pennsylvania naturalists are keeping an eye on a disease that has been killing beech trees in the eastern U.S. for more than a decade, but has begun spreading more rapidly in the past three years ...

Ponderosa pine trees are widespread in western and southwestern units of the National Park System. These trees with their red-yellow bark that looks like jigsaw puzzle pieces exudes a pleasant aroma ...

Neonectria ditissima is the fungal cause of costly European Canker (EC) in apple trees. A range of secondary metabolites were found at higher concentrations in infected twigs than in disease free ...

New York City’s trees may be in trouble as a result of beech leaf disease, but scientists have developed some ingenious ways to save them.

As the state's forests become weakened and stressed, they become more susceptible to insects and disease — even some that, at one time, posed little threat.

A few feet away, a few pine trees are also dead, with the bark peeling right off one. That looks like a lightning strike. But the other trees are 20 feet away, with healthy plants between them.

HUDSON, N.H. — A portion of Dracut Road is closed in Hudson on Friday after a pine tree fell, taking down wires and snapping a pole. There was severe weather in the area at the time, but it’s ...

A tiny bristlecone pine tree, one of the oldest-known living things on earth, was stolen from the grounds of the Hayes Presidential Library & Museums in Fremont, Ohio, and anyone with informat… ...