One tree that's particularly good at ridding the air of carbon is the tulip tree, which consists of two species: Liriodendron tulipifera, which proliferates in North America, and Liriodendron chinense ...

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.

Nature classifies all trees into three main groups. Deciduous trees shed leaves seasonally. Evergreen trees remain green year-round. Coniferous trees reproduce using cones. These categories explain ...

It’s that time of year again — we’re not talking about the time for taking down holiday decorations or for getting started on your New Year’s resolutions. Rather, we’re talking about the time when ...