Less than 15 miles from the Silver Fire, the Ancient Bristlecone Pine Forest's trees are thousands of years old, including ...

Before a discovery in a Panamanian rainforest, “it seemed impossible that lightning could be a good thing for the trees,” a ...

Agroforestry, the ancient agricultural system of integrating trees and shrubs with crops and livestock, has seen a revival in ...

It's tricky to predict precisely what the impacts of climate change will be, given the many variables involved. To predict ...

Darkened, thickened bands between leaf veins—seen here on an American beech leaf—are characteristic symptoms of beech leaf disease (BLD). First detected in northeastern Ohio in 2012, BLD has since ...

A decade after beech leaf disease emerged in Ohio, researchers have found that 30% of local American beech trees have died, ...

Leaf development describes the coordinated morphogenesis process by which a leaf is formed, and grows to become a mature photosynthetic organ. It starts from the initiation of a primordium in the ...

Learn about our editorial policies Decision trees are major components of finance, philosophy, and decision analysis in university classes. Yet, many students and graduates fail to understand ...

Black Walnut trees are native to central and eastern North America and are deciduous, meaning they shed their leaves in the fall ... dark brown hardwood and edible nuts, and their numbers are ...

(AP Photo/Godofredo A. Vásquez) White leaves from blooming almond trees blanket the ground at an orchard Friday, March 7, 2025, in Newman, Calif. (AP Photo/Godofredo A. Vásquez) Manuela Plascencia ...

Amid the patriotic chest-thumping and sincere efforts of Canadians to do right by their country in the face of the on-again, off-again U.S. tariffs, the humble little Maple Leaf has been working ...

If you do need to spray your fruit trees, they’ll be easier to spray,” said LSU AgCenter fruit and nut specialist Michael Polozola. “But it also helps because you’ll also need to spray ...