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 ...

Purdue Landscape Report: Trees provide many benefits for our homes and properties. If a tree is found to have a defect such as dead branches or broken limbs from a storm; it can become a risk issue.

When a neighbor’s tree hangs over your property it can be a nuisance—and even cause damage. But tread carefully before you trim it. When not writing, Jeff spends his free time fixing up his old house.

Real Christmas trees are nostalgic, but for something long-lasting, faux trees—which also require zero cleanup—could be worth the switch. But realism is just as important as upkeep and durability when ...

Some math conjectures and theorems and proofs can take on a profound, quasi-religious status as examples of the limits of human comprehension. TREE(3) is one of those examples. "You've got all these ...