An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

It is also known as slime flux. Wetwood is a common disease affecting the central core or bark of shade trees, such as elm. The stain is caused by slime generated from fermentation pressure in ...

The Wollemi Pine’s bark looks like bubbling chocolate—but its real secret? It’s a 200-million-year-old survivor from the age ...

Altadena residents and arborists are sounding the alarm about protecting the town’s trees as crews get set to begin phase two ...

The molecule is also being tested in over 100 vaccine clinical trials. Rising QS-21 demand from the pharmaceutical industry ...

Explore the surprising shift in Colorado forests as they begin releasing more carbon than they absorb, affecting climate ...

Follow these tips on how to prune citrus trees to encourage strong branches and improve fruit production. Knowing when and ...

Is the Redwood team convinced that a Broadway audience won’t follow her into the woods unless she makes constant references to doing “yoga at my old synagogue,” how “if I even think about grass, I get ...

Colorado's forests store a massive amount of carbon, but dying trees -- mostly due to insects and disease -- have caused the state's forests to emit more carbon than they absorbed in recent years, ...

Heatwaves are among the world’s deadliest weather hazards. Every year, vast numbers of people are killed by heat stress and ...

Researchers at Lawrence Livermore National Laboratory (LLNL) have published a study on the effect of wildfire smoke on the blood-brain barrier, which protects the brain from harmful substances.

Our emblematic tree is in short supply and in danger of running out – is the idea of homegrown hardwood sunk forever?