Nature classifies all trees into three main groups. Deciduous trees shed leaves seasonally. Evergreen trees remain green year ...
They're a classic winter sight — but can you tell different types of conifer trees apart? Here's what distinguishes fir, pine ...
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.