'Facebook' is gradually building "shadow profiles" of non-users of the social networking site, a privacy watchdog has claimed.

Facebook founder Mark Zuckerberg's former Harvard classmates Cameron and Tyler Winklevoss have decided not to pursue their legal battle ove...

The Palo Alto, California-based company may find legal papers served via its system a welcome recognition of the security of its internal m...

Privacy activists called on Facebook on Wednesday to give users of the booming social network more control over the use of their personal d...