Online reports Monday indicated a widespread Xfinity outage impacting users in San Francisco and elsewhere in the Bay Area.

Xfinity fiber-powered internet results in 99.9% network reliability. Combined with low-lag technology and unlimited data, it delivers consistent performance even during peak household usage.

Comcast's Xfinity is teaming up with NBC Sports and Versant's Golf Channel to deliver THE PLAYERS Championship in RealTime4K for the first time, transforming the at-home viewing experience for golf ...

Xfinity will let you rent a modem when you sign up for its Internet service, but you do have the option of using a third-party modem instead. Here's how.