Colorado’s popular recreation areas were hit especially hard by the epidemic. Out of about 4.1 million acres of pine forests ...

If you've been walking around your yard and noticed some of the needles on your conifers turning brown, don't panic. There ...

Pine caterpillars feed on the needles of pine trees. In large numbers, they can severely weaken the trees, making them more ...

The Japanese black pine tree (Pinus thunbergii) is a popular evergreen in many parts of the eastern United States. It has an ...

Fungus and beetles threaten to topple the remarkable whitebark pine. Can tree enthusiasts help the keystone species before it’s too late? Mountaintop living isn’t easy. At very high elevations, the ...

Norfolk Island pine trees have become a feature of Australia's coastline but they are at risk from a number of factors. A Gold Coast researcher says a severe weather-fuelled fungus and urban ...