One thing about trees — they need their leaves for looks. Even a gigantic oak — or a towering maple — appears a tangle of nondescript limbs in its bare winter mode. I've had many favorite trees over ...

It's a place where few living things can survive in the water. Deep in the world's largest rainforest, there is a boiling ...

Arborist Zeke Willard secured a large downed tree to the Boise River’s south bank Jan. 27, a project that organizers said ...

Forests flanking Brazil's rivers act as "highways" that have allowed tree species to move between the Amazon and Atlantic ...