This is a maple tree that still has a few dead leaves on it during winter. - Marcia Straub/Getty Images The sound of the wind gently whispering through tree leaves during the winter might make you ...

This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. For more than 100 million years, trees have dropped their leaves every fall, creating a protective layer of ...

Wherever trees grow, sooner or later their leaves get wet. For trees in wet environments, this can be a problem if films of water cover their stomata. These tiny pores allow carbon dioxide to enter ...

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to end up ...

The sound of the wind gently whispering through tree leaves during the winter might make you think you've traveled back in ...

With two episodes already released to the wild, the epic 10-part documentary series covers the mysteries of flora, fauna, and terrain from the very tip of South America all the way to North America’s ...