Planting trees can help save the planet, right? A new study finds that to offset all the planet-warming carbon emissions from ...

An ancient oak tree in northern Greece is believed to be among the oldest surviving tree of its kind in Europe.

The planet's trees have seen plenty of history pass by their trunks. In fact, they began to populate Earth 385 million years ago, toward the end of the Devonian period. Considered living historical ...

We've covered a wide range of long-living trees around the world, from the sprawling Angel Oak in the southeast United States to the Olive tree of Vouves in Greece. While these notable elders garnered ...

Much of the Arizona Canal running through metro Phoenix is a barren stretch of pavement and gravel paths — that is until you ...