Comcast's home internet service will boost the upload and download speeds for over 20 million customers nationwide.

The Las Vegas Motor Speedway is coming to life this weekend with the “NASCAR Xfinity Series.” You can catch all the action ...

Alex Bowman dissects his lap from Xfinity Series qualifying that put him on the pole for Saturday afternoon's race at Phoenix ...

Xfinity viewers watching Monday night’s game between the Avalanche and Blackhawks on Altitude TV missed out on the third period and Nathan MacKinnon’s historic 1,000th point because of a ...

Daytona native, Daniel Dye, has his eyes on the prize. As part of this year’s Xfinity Series rookie class, the 21-year-old says he’s focused on winning.