As spyware attacks hit the headlines, how can you tell if your iPhone is being tracked, and what can you do to prevent it?

The world has gone iPhone crazy since Apple released v2.0 of its sleek mobile device, and while GPS and 3G have been big draws, the multitude of available software apps in the new App Store has ...

New applications for the iPhone now feature voice-prompted navigation. WSJ's Walt Mossberg reviews four of them and says interested consumers should choose according to accuracy, route text ...

While there's no doubt that these GPS-powered navigation apps are helpful, sometimes you just need to quickly figure out which direction is north. In those cases, your iPhone's built-in Compass ...

The crew from TabletMonsters inadvertently discovered that tethering a WiFi-only iPad 2 to an iPhone 4's data connection provides a GPS signal to the iPad. Nifty. But we wanted to know if it works ...

Phones use various signals to find your location, including cell tower pings, Wi-Fi access points, Bluetooth and GPS. Here's ...