Fox Broadcasting Company ( FOX ) is a unit of News Corporation . FOX finished the 2007-2008 season as the No. 1 network for the fourth consecutive year among Adult 18-49 viewers , while continuing to dominate all network competition in the more targeted Adults 18-34 and Teen demographics . Additionally , FOX won the seasonal crown among all viewers for the first time in the network 's 21-year history . FOX airs 15 hours of primetime programming a week as well as late-night entertainment programming , major sports and Sunday morning news .