Scientists have mapped microbe populations in human guts, deep-sea ecosystems and even clouds. Yet the microbial communities inside tree trunks have remained largely unseen until now. For a recent ...

The trunk might be the most neglected part of a tree. Leaves get the most attention, followed by the roots. But a trunk should not be taken for granted as it must be sturdy and healthy for the rest of ...

It has been well over a month since Hurricane Sandy, and we still hear the buzzing roars of chain-saws in backyards, along streets and utility right-of-ways. Massive uprooted trees, heavy fallen limbs ...

What shape is a tree? For most people, it’s like a lollipop or a feather duster: a single trunk topped by a green bunch of branches and leaves. “Not all trees are like that,” said Sharon Yiesla, plant ...

As extreme cold grips large portions of the U.S. this week, residents in several states have reported startling noises coming from trees, loud cracks and pops that some have likened to small ...

The Iowa DNR says sap that's warmed by the sun during the day can rapidly freeze, causing it to expand when the temperatures ...

Although they don’t spew ash or ooze lava, mulch “volcanoes” wreak their own kind of havoc. Mounded against tree trunks in sloping piles suggesting a miniature Mount St. Helens, too much mulch can ...