Related: Pine Bark Hut resembles an actual tree in a forest Unlike Leonardo’s art , which has often left us with thousands of unanswered questions, Forsoultree was documented right from the start.

The amount of forest with problems is only a small fraction of the overall 22 million acres state officials looked at, but it ...

From microbes to four-legged critters, dead trees play an essential role in a forest’s ecosystem. Experts say it's rare that removal is necessary. Letting dead trees, like this bristlecone pine ...

John Daley/CPR News A large swath of dead trees along Stewart Creek near the trail to San Luis Peak, one of Colorado's 14ers, in the San Luis Mountains. “So that adds to complexity about what ...