In heavily affected areas, up to 30% of beech trees are killed within seven years of contracting beech leaf disease.

All tree leaves exhibit margins—the blade-like edges of the leaves—that are either serrated or smooth. Leaf margins can be finely classified based on at least a dozen unique characteristics.

The boomerang, found in a cave in southern Poland, may be the oldest in the world, dating back 40,000 years, according to researchers.

I eye the tree through my spotting scope. Due to the dense foliage, discerning if a raptor nest is in the cottonwood tree is ...

New research reveals that thunderstorms - not just drought or heat - are a major cause of rising tree deaths in tropical ...