They can weaken vegetables and flowers and even spread plant diseases. Mostly active during the summer months, thrips come in ...

Skyline drive through the colorful autumn forest of Shenandoah National Park, Virginia Some plants boast beautiful flowers ...

Whitebark pines are under attack from an invasive fungus. But foresters are using seeds from survivors of the infection to replant decimated landscapes.

Even the mention of poison ivy can cause some people to itch, but it can be a surprising pop of color among the wooded ...