The American Red Cross urges donors to make an appointment to give blood or platelets now to keep the blood supply as strong ...

Botanical sensors are turning greenery into living data networks while monitoring plant health and optimizing yields.

The temperate rainforests of the Chilean Coast Range are home to a spectacular array of life: iridescent blue lizards, tiny wild cats called kodkods, and curly vines of waxy red bellflowers. Towering ...

In the forests of the southeastern United States, dense tree cover dominates most landscapes. That's why the Appalachian Trail is sometimes nicknamed "The Green Tunnel." But avid hikers know that ...