Earhardt moved to New York City and began working at Fox News Channel in 2007. Earhardt has stated that she "did not know the first thing about politics" before she was hired by Roger Ailes to work at the network. She appeared on "Hannity" with her own segment called "Ainsley Across America", and has co-hosted "Fox and Friends Weekend", "All-American New Year's Eve", "America's News Headquarters". She has appeared as a panelist on "The Live Desk" and Greg Gutfeld's "Red Eye".