The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

First, the most obvious reason: Raking leaves into plastic garbage bags and sending them to a landfill creates huge amounts of unnecessary waste. It also contributes to releasing greenhouse gases that ...

The fall season will officially begin soon in the Chicago area, but some have already noticed leaves starting to change color. While northern Illinois is already seeing signs of change, peak colors ...