Conjure up the lonesome sound of a harmonica in a dusty Western town where gunmen with jingling spurs reach for their six-shooters at high noon. The scene would be incomplete without a few tumbleweeds ...

Desertification is a massive problem across the globe. We have a general idea of what causes it: unsustainable agricultural practices, mining, climate change, general land overuse. But much like ...

Tumbleweeds come in the midst of a perfect storm of severe drought, fields with no cover crop, and unusually high winds. They have a hard time where the native grasses are flourishing. (Flickr/ Brad ...