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

Leaves often turn brilliant colors in autumn. One of those colors has generated a lot of heated debate among scientists in recent years.

Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...

Each fall, green leaves transform into the reds, yellows, and oranges of the season. But, why? Here's what to know.

Nothing beats the spectacular show fall foliage puts on in the autumn, and you don’t have to travel states away to experience beautiful color. These 17 … ...

Discover vibrant shrubs and trees perfect for North Idaho gardens. From elderberries to viburnums, plan your spring planting ...

While many see fallen leaves as a chore, they can actually be beneficial for the landscape. Here's how they can help.

With September finally here, the yellow, orange and red hues of fall foliage will soon make an appearance, signalling the coming of the autumn and trees preserving their energy each year. Fall foliage ...

Fall foliage begins its journey south from Canada, reaching Missouri by mid-September. Peak color in Missouri is expected around mid to late October, showcasing vibrant hues from sassafras and sumac ...

Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...