CNET has been testing robot vacuums for years, but we're always refining our testing procedures. Here's the process we use to evaluate robot vacuums for cleaning, navigation performance, obstacle ...

Robot vacuums have steadily improved their cleaning performance and object avoidance over the years, but during our testing at CNET Labs, we discovered an odd trade-off.

Roomba's are a huge help when it comes to vacuuming, but they need to be able to charge properly to do their job. Here's what to do if yours isn't charging.