A survey at the Rose Art Museum offers a probing look at the 41-year-old artist’s career as he rides a surge of admiring ...

A new study finds that the disturbance-demanding plant species oak, hazel and yew were abundant in Europe's forests before modern humans arrived, strengthening the argument that ancient vegetation was ...

Until recently, a gap existed in the world map of amber discoveries: the Antarctic continent. But that gap has finally been ...

I don't know what this is on my oak tree, but is it anything I should be concerned about? Should I spray with something?

Gaspari says the Hackberry (Celtis occidentalis) tree is becoming a popular landscaping tree after ... "It is known and loved ...

Adults will hibernate once temperatures get below 40. Usually, hackberry psyllids will overwinter in the bark of hackberry ...

Once they’ve got their hole built, they peck at the tree’s bark around to release sap, which flows down the trunk of the pine tree and helps protect the nest from predators, said Barret Fortier, a U.S ...

When you look at the four seasons we go through in a year, it comes to our attention that the trees and bushes only have ...

While looking at my hackberry tree, the leaves were covered with this small round growth. Is it a disease, insect or just part of the tree? Will it kill my tree? How do I control it? Those small bumps ...

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Dear Grant, William and Kate, When I was little, I liked to climb trees. I loved to grip the bark as I got higher and higher. Now I mostly hug trees – but I still love the way bark feels under ...