Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone National Park. Long before Yellowstone ...

Backyard Farmer Backyard Farmer: Tree Planting and Diseases Special | 56m 58s | How to plant a tree with Jeff Culbertson and Loren Giesler talks about what to do with cankers on trees.

As searchers continue to look for victims in the deadly flash flooding in Texas, officials are answering questions about the ...