Citrus greening, a silent killer sweeping through the United States’ groves for decades, is a threat to more than just your morning OJ.

Ten years ago, a mysterious new disease was found sweeping through Hawaii’s native ‘ohi‘a forests, killing off the foundation ...

Nasty root rot threatens the Fraser fir, a beloved Christmas tree. North Carolina scientists are trying to save the iconic species.

A UC Berkeley-led citizen science project has discovered at least four outbreaks of a new, potentially more aggressive form ...

Now, researchers are in a race against time. They say most of the vast ‘ohi‘a forests on Hawaii island will be gone in the ...