A chilly fall with bright, sunlit days will leads to the most vibrant color display. Rainy or cloudy days can lead to a ...

On the list of holidays, Arbor Day (which is this Friday in Hawaiʻi) probably doesn’t rank very high. No religious ceremonies. No signature cocktails. No fireworks or parades. Some people might get a ...

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

Tree branches in art throughout history follow geometric rules related to fractal geometry. 'Almond blossom' by Vincent van Gogh. Van Gogh Museum, Amsterdam. Do artists and scientists see the same ...

Twenty miles southwest of Cornell’s Ithaca campus grows a forest of sweet trees. The tubing at their trunks carry sugary sap awaiting to be transformed into a crowd-pleasing breakfast staple: maple ...

A new book challenges us to work together as a community to grant sovereignty to forests and the animals who live there.

Of Washington's 22 million forested acres, the Department of Natural Resources manages about 3 million acres of state land.

Arborists in Colorado warn homeowners about "zombie trees," which appear healthy but hide damage, risking property and safety ...

Genomes are key to unlocking life's evolutionary history. The presence and absence of certain genetic sequences and mutations ...