Climate change is causing trees to sprout earlier in spring. Nevertheless, some tree species are growing less. A study by the ...

All the rain Arizona has seen over the past few months has been good for the desert and has helped ease drought conditions.

Across Australia, forests are quietly changing. Trees that once stood for decades or centuries are now dying at an accelerating rate. And this is not because of fire, storms, or logging. The chronic ...

The youngest chimpanzees are the biggest risk-takers. Would humans show the same pattern if adults weren’t keeping such a ...

Is that tree a pine, a fir or a spruce? Here's a handy guide to identifying the many species of trees populating Central ...