Mars is a dusty place. Researchers now think much of this dust comes from a single feature on the surface. Overview below. Original article here: https://www.nature.com/articles/s41467-018-05291-5
Martian dust
Open source rover
Want to build your own rover? NASA/JPL will show you how. This could be a very fun project, if you happen to have $2500 available.
Build-It-Yourself Rover