Pinyon-juniper woodlands are a common sight in much of Utah. But pinyon trees are declining, while junipers are expanding.

Trees are some of the largest and most widespread organisms on Earth, yet the true number of their species has been an enduring mystery. This lack of knowledge is detrimental to conservation efforts.

To properly manage a tree, you need to know what species it is. Plus, tree identification is a lot of fun. Knowing a tree’s species is key to understanding their proper growing conditions, how to ...

A new tropical tree species discovered in Cameroon was recently named after actor and climate advocate Leonardo Di Caprio, who had campaigned against rampant deforestation in the African nation. A new ...

Place the stakes in the native soil surrounding the tree, spacing them equally. “You don’t want the stakes to be within the ...

A new global study of 46,752 tree species shows that many of them are under substantial pressure and poorly protected. The research team has also studied how this situation can be improved by ...

More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk, ...

From Tasmania to the Top End, Australia's forest trees are dying at higher rates due to climate change, according to new ...