With consent, location-tracking can be immensely useful in some situations, experts say, but they warn that the technology is certainly not without potential harms and can lead to controlling and ...

CNN’s Don Riddell ponders whether it’s appropriate to continue monitoring the whereabouts of his sons with a tracking app now ...

You can stop Google from tracking your iPhone by disabling the "Location History" option in your account settings.

Your iPhone can track steps using a built-in accelerometer. You can track your steps in the Health app, where you can see a range of exercise metrics.

A new longitudinal study of the microbiome from researchers at Harvard and MIT demonstrates how the ubiquity of a smartphone enables research that would have been much more difficult previously. In ...