More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk, ...

Researchers have found almost identical patterns of tree diversity across the world's tropical forests. The study of over one million trees across 1,568 locations found that just 2.2% of tree species ...

To properly manage a tree, you need to know what species it is. Plus, tree identification is a lot of fun. Knowing a tree’s species is key to understanding their proper growing conditions, how to ...

The oldest tree species is the Great Basin bristlecone pine (Pinus longaeva). The oldest tree of the species is named Methuselah and is more than 4,800 years old. The longevity of the Great Basin ...

The tonka bean tree can survive a lightning strike, and thrive. Lightning strikes may kill untold numbers of trees every year, but one tropical species has evolved to benefit from the sudden jolts of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees are believed ...

Trees are essential to life on Earth. They support ecosystems, store carbon, provide clean water, improve our health, and offer countless benefits to people and nature. In a new study, researchers ...

TANNERSVILLE — Marc Wolf steps off a trail at the Mountaintop Arboretum to examine a beech tree with mottled, bumpy bark. “This is pretty typical of beech bark disease,” he said. “Beech trees would ...

Forests protect against avalanches, but not every forest is equally effective. Thanks to almost 50 years of observations at the Stillberg afforestation site, SLF researchers have now gained insight ...