Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.

Ever wonder how many trees stand tall in North America's vast boreal forest? A new University of Alberta study has the answer ...

A fallen tree has landed on utility lines along Maryland Route 77, according to the Maryland State Highway Administration.

The highest recorded elevations of Jeffrey pines provide new evidence of a warming climate in the High Sierra. UC Davis ...