Have you noticed any bright patches of orange in your neighborhood?Orange rainwater on the side of the streets, or puddles on the sidewalks? Orange dust clinging to your car?Some people around ...

While wandering middle Alaska this summer, I noticed orange spruce trees along the entire length of the Denali Highway, from Paxson to Cantwell. In what looked like a dendrological case of frostbite, ...

A bizarre orange goo that invaded and baffled a remote Alaskan village and caught the world’s attention last year has been identified. Despite occasional conspiracy theories and Internet speculation, ...

A white spruce tree infected by spruce needle rust fungus, a cosmetic disease that does not kill the tree. (Photo by Ned Rozell) While wandering middle Alaska this summer, I noticed orange spruce ...