On chilly morning in eastern Oregon, correspondent Conor Knighton headed deep into Malheur National Forest, driving a series of unpaved roads, and hiking far from any trail, all in hopes of finding a ...

Here’s a fun fact: The world’s largest organism isn’t a well-fed elephant or a blue whale or even a giant sequoia. It’s a fungus. A Facebook post from July 20 about the Armillaria is one of the latest ...