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.

Power outages usually last around two or three hours and often occur during storms that keep people trapped inside. Comcast says it has a solution for keeping internet connected in these situations.

PHILADELPHIA--(BUSINESS WIRE)--Following the successful launch and positive consumer reaction to Xfinity’s new 5-year guarantee, the nation’s largest Internet Service Provider (ISP) has launched its ...

Comcast has recently introduced a new feature to its Xfinity routers that converts them into motion detectors using only Wi-Fi signals. It's called “WiFi Motion" and it works by sensing disruptions in ...

Buying your own router is an easy way to save on your internet bill. Here's what happened when I did just that. Joe Supan is a senior writer for CNET covering home technology, broadband, and moving.