We extracted small cores of wood from the trunk, in a process that leaves the tree alive and largely unaffected. The oldest tree we sampled was a 70-year-old southern magnolia in Sydney.

We extracted small cores of wood from the trunk, in a process that leaves the tree alive and largely unaffected. The oldest tree we sampled was a 70-year-old southern magnolia in Sydney.

Before becoming its chief executive in 2005, Mr Weeks was running Corning’s optical-communications business. In the 1990s ...

A red-shouldered hawk nest was discovered in a Worthington resident's honey locust tree. Before European settlement, when 95% of Ohio was blanketed in forests, red-shouldered hawks were common.

It's not too late to add a new tree to your yard, even if summer is fast approaching. Choose a fast-growing tree that will be ...

The nest is high in a lofty honey locust tree and easy to miss, at least from a vehicle. I eventually introduced myself to Dave and Sara, the homeowners.

That's what Boston is doing, too. The city's Office of Green Infrastructure is transforming strips of grass along its roadways — both the edges and in the middle — into a type of "green infrastructure ...