They start to appear in fall and are in full view all winter through much of spring. They're at least 20 feet up and one or two feet wide. Sometimes, several bundles are scattered in the same tree.

A paper provides significant insights into China's tree population: by 2020, the average tree density in China was approximately 689 trees per hectare, bringing the total number of trees in the ...

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.

"Beech leaf disease doesn't kill trees as quickly as some pests, but the cumulative impacts—slower growth, energy loss, increasing mortality—add up.