Learn the species of maple trees most commonly found in the United States, and how to tell them apart.

The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics and ...

Two types of iconic sequoia trees have grown tall and strong in a surprising place: Michigan. One was believed to be extinct less than 100 years ago. The other is the largest living thing on Earth.