The best printers are robust, full-featured workhorses. But that's not everyone needs. As everything becomes more and more digital, you might find yourself only needing a printer in rare occasions ...

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find the best for different situations.

A positron emission tomography (PET) scan is an imaging test that uses a special dye with radioactive tracers. Learn why it’s performed and how to prepare.