Tropical trees are dying faster than ever, and it’s not just heat or drought to blame. Scientists have uncovered a surprising ...

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

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

Trees supply leaves with water because of a decrease in hydrostatic or water pressure into upper, leaf-bearing parts called crowns or canopies. This hydrostatic pressure difference "lifts" the ...

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.

Trees in tropical forests are dying at an increased rate, with consequences for biodiversity, carbon storage, and the global ...