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, ...

The tree mix matters. Near Chesapeake Bay, scientists have been experimenting with mini-forests for over a decade. The ...

A few things on this planet are old enough to make history books look recent, and that includes some living trees that have weathered through tons of challenges. Scientists have dated them, and locals ...

The Doerner Fir tree, one of the world’s tallest, caught fire and has sustained damage that could lower its global ranking. The fire has not yet spread to the surrounding coastal Oregon wilderness but ...

Add Yahoo as a preferred source to see more of our stories on Google. More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the ...