The leaves of this bigleaf maple at Point Defiance Park show sings of leaf scorch, one sign of the die-back affecting the species throughout the Pacific Northwest. Craig Sailor ...

Something is killing bigleaf maples — Washington’s biggest broadleaf tree — and scientists can’t stop it. They don’t even know what’s causing it. “We’ve looked for everything we can possibly think of ...

Add Yahoo as a preferred source to see more of our stories on Google. clarst5 via Shutterstock We love the vibrant colors of maple trees in the fall. These deciduous beauties bring not only great ...