Though no one may be around to hear when a tree falls in the forest, countless critters take note. Dormant fungi within the tree awaken to feast on it, joined by others that creep up from the soil.

When it comes to finding the perfect Christmas tree, William Lyon has it down to a science. Every year, Lyon downloads official maps of U.S. Forest Service roads — Apple and Google maps never have ...

With its fluffed, spiraling top and thin trunk, the Sanfordiacaulis densifolia tree looks like it came straight out of Dr. Seuss’ The Lorax. But this isn’t a truffula come to life. It’s a 3-D ...