Leaves often turn brilliant colors in autumn. One of those colors has generated a lot of heated debate among scientists in recent years. Autumn is a big time for trees. Many shed their leaves, and of ...

Although the chemistry of autumn colours is well understood, there is an ongoing and lively debate among scientists about why trees evolved their vivid autumn colours in the first place. Driving north ...

Autumn is known for its stunning display of orange and red hues, and this year the leaves could be more vibrant than ever. Sunnier summers have led to trees producing more sugar in their leaves, which ...