PORTLAND, Ore. ( KOIN) — Older trees in an Eastern Oregon forest are perishing “at an alarming rate,” according to ...

This 30-year-old orange tree named Donaldson may hold the cure for the disease now decimating Florida’s citrus trees.

Trees take centuries to respond to change. But climate change is moving much faster, and forests may not survive the gap.

Often feared, but fascinating up close — the European hornet calmly drinks sweet oak sap. Discover this peaceful side of a powerful forest insect, captured in detail among bark and sunlight.

Essex has dozens of historic bridges, each with their own story, that hundreds or thousands of people use each day. The ...