You may have heard of crepuscular animals — those that are most active during dawn and dusk — but what about the world of crepuscular trees?

No chocolate fan has to wonder why the scientific name of the cacao tree translate from the Greek to "the food of the gods."

When winter settles in, it’s great to get outside to navigate our snowy landscapes. But we don’t often think about how our winter adventures are often brought to us by trees.

The origin story of those little tree-shaped, pine-scented air fresheners goes back to a milkman who preferred the smell of fresh pine to sour milk.

Birds and trees are natural partners, but the Great Green Macaw and the Almendro Amarillo tree depend on each other for survival.

The connection between trees and puppetry goes back for centuries.

I recently took the train from Salt Lake City to California, my first such experience in decades. Each mile, my train passed over 3,000 railroad ties — nearly all of them made from trees.

With the holidays come evergreen wreaths on people's doors and windows — which got host Nalini Nadkarni asking: Where does all of this holiday greenery come from?

These two tree resins have a long human history, and these days are in danger of being over sourced.

Orchestras are full of wooden instruments, but the piece that unifies the group is the one that most of us forget about.