A tree-climbing scientist and his team have learned surprising new facts about giant sequoias by measuring them inch by inch.

Clear-cut swaths of the Amazon rain forest in Quiandeua, Brazil, are often planted with manioc, or cassava, a shrub grown for ...

After 60 years in the darkness, the time might be finally coming for Florida's Ocklawaha River to make its return. As National Geographic reported, there is a chance that there is finally enough ...