Many of the best artificial Christmas trees are on sale for Cyber Week, including our best overall pick, the National Tree Company Douglas Fir. For more deals, check out our roundup of the best Cyber ...

Next to those stockings hung by the chimney with care, it appears more likely than ever that the trimmed tree will be, well, faux. The holiday tradition of setting up a Christmas tree has endured ...

Urban trees can help cut air pollution from New York to Beijing, but which trees do the best job? Future Planet weighs up the options. Cities usually come at the price of green space. Since ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more When I lived in New England, Christmas tree farms were a dime a dozen. That is why I was shocked when I ...

I love trees and am not immune to hugging them. It may not be rational, but when I’m near one of these quiet giants, I feel like they are kin—ancient grandparents, or at least benevolent witnesses of ...

Filaments of fungi intertwine with the tips of tree roots to form underground networks that seem to benefit both organisms: the filaments, called hyphae, break down minerals in the soil that trees can ...

Purdue Landscape Report: So, what do trees do in the winter? Do they freeze up like unprotected water pipes? Or burst when it gets below freezing? Yes, the below-ground parts of a tree are kept ...

If a tree falls in a forest, will replanting it help curb global warming? Scientists say planting a trillion trees globally could be the single most effective way to fight climate change. According to ...

Trees are "social creatures" that communicate with each other in cooperative ways that hold lessons for humans, too, ecologist Suzanne Simard says. Simard grew up in Canadian forests as a descendant ...

Christmas trees are dead or dying. But some conifers and other trees theoretically could live forever, according to a recent essay that reviews accumulating evidence on extremely long-lived trees—and ...

Many people who celebrate Christmas have already decorated their own evergreens this year. But shortages of Christmas trees and price hikes have also become somewhat of a holiday tradition. Here’s a ...

ANN ARBOR, MI — Tree Town’s central downtown plaza suddenly has several fewer trees. At least five sizable trees in the Ann Arbor public plaza at the corner of Liberty and Division streets were ...