Four years ago, the Caldor Fire burned 221,835 acres in El Dorado, Alpine and Amador counties, as it climbed the western ...

A ferocious storm killed eight people on a day full of misfortunes and coincidences that showed the limits of human control.

Charles LaCalle, a resident of Santa Fe’s South Capitol neighborhood, labored hard hoping to rescue the fir tree in his front yard from an aggressive outbreak of the Douglas-fir tussock moth ...

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

The AOC explains: “Each year, the selected Christmas tree is placed on an 80-foot extended trailer and makes whistle stop ...

Forest staff will be conducting inspections and surveys in the coming months to monitor the level of defoliation affecting Douglas-fir and white fir trees throughout the forest.

This extraordinary tree has stood tall since long before the Pyramids of Giza were built, however, its exact location is a ...

Are your trees dripping a sticky goo? The reason is that trees are often infested with aphids, scale or other insects that suck out sap and then exude a sticky residue called honeydew.

The protest, near Olympic National Park in Washington state, is part of a growing movement aimed at saving decades-old trees that aren’t considered old-growth.

"Civilian Conservation Corps in Clark County, Nevada: An Historical Overview and Context" by White, William G. American History Museum ...

Pine trees are one of the most common coniferous species in North America. Learn how to identify the types found in the United States and Canada.