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

Portland, Maine — Leaf-peeping season has arrived in the Northeast and beyond, but weeks of drought have dulled this year's autumn colors and sent leaves fluttering to the ground earlier than usual.

Ready for some leaf peeping? Southern states might not put on the truly stunning displays of fall colors that other areas get, but that doesn't mean you can't find beautiful autumn leaves in ...