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

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.

RCMP now say it looks like one of two vehicles involved in a crash on Highway 101 on Saturday night that killed five people was driving the wrong way on the divided highway. An act booked for the ...