The two-lined hooktip moth lays its eggs in even rows on twigs and leaves of birch and alder trees. When the eggs hatch, almost inscrutably small larvae emerge, some as short as half a millimeter. But ...

If your yard could use more shade and needs it pronto, here are some of the best fast-growing shade trees to plant in the ...

The bark of a tree is its own protection against the weather. While we shrug on a coat when it’s wet or cold, a tree will ...

If you’re looking to boost your property value, investing in the right plants might be a surprisingly effective strategy.

The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” ...

From the Hartley Park "Wet Climbing Tree" to the fast-growing InnovaTree, there's a lot of news between the branches — if you ...

KIRTLAND, OH — A decade after the emergence of beech leaf disease (BLD) in northeast Ohio, a new study by researchers at The Holden Arboretum reveals that American beech (Fagus grandifolia) is ...

Climatic stress events, such as extreme temperatures and prolonged droughts, are increasingly affecting tree growth and phenology—the timing of developmental stages like leaf burst and senescence.

The cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them particularly resilient to changes in fluid volume. A similar cell shape ...

We’ve recently shared what those slightly ominous black clumps in the branches of trees really are (and no, they’re not nests). Like Tom Hanks, we learned the real reason leaves lose their ...

About 5,000 years ago, an ancient craftsman in modern-day central England picked up a piece of flint. Chipping away at the flint a tiny piece at a time, the Neolithic person “painstakingly ...