Want to quickly find a cell phone’s location by typing it in? It’s not hard. You just need the right software or service. We explain how phone number tracking works in this article, starting with some ...

You likely have never heard of Babel Street or Location X, but chances are good that they know a lot about you and anyone else you know who keeps a phone nearby around the clock. Reston, ...

Megan Rumney, an executive with a financial-services firm in Severna Park, Md., an affluent Baltimore suburb, decided to buy her older son a smartphone. She made the purchase with the understanding ...

Cell phones are convenient devices, handily connecting us with loved ones, paying bills, accessing information—and treacherously reporting on our every move. Worse, even after the Supreme Court ...