UFOs & Chinese Balloons On TV News

How are the Chinese balloon and other balloon and "UFO" sightings being covered on TV news? The timeline below shows how Fox was the first to surge coverage about the most recent balloon, but quickly pivoted away, with all three channels quickly shifting to other stories after a brief rebound.

Fox News first picked up the mantle of UFO coverage in early 2018:

To date it has covered it nearly twice as much as CNN and MSNBC, with Tucker Carlson's show alone accounting for 10% of all mentions over the past decade.