Consumer Reports helps you figure out which car navigation system is best for you, whether it's your vehicle's built-in navigation or an app like Apple Maps, Google Maps, or Waze.

So I will look at built-in navigation, cell phone-based, and dedicated GPS navigation systems -- with the pros and cons of each.

In a nutshell: Today's typical navigation-grade motion sensors are about the size of a grapefruit, helping steer ships, planes, and vehicles in conjunction with GPS signals. This means they always ...

The system, called Pose-Enhanced Geo-Localisation (PEnG), narrowed down localisation errors from 734 metres to just 22 metres ...

In space, especially beyond Earth’s orbit, GPS signals become unreliable or simply vanish. The same applies underwater, where submarines cannot access GPS at all. And even on Earth, GPS signals can be ...

Many drivers still swear by a dedicated portable GPS navigation system, and for good reason. A portable GPS, or portable navigation device (PND), leaves your phone free for other uses. Portable ...

In the future, Soldiers and autonomous vehicles will use tricorder-like sensors to measure electromagnetic fields. That might be valuable information for navigation in a GPS-denied environment ...