Research news
American Airlines Flight 2292 UFO Encounter, February 21, 2021 ATC Audio and Radar Data
The following is just a clip from a slightly longer video, and a lot more ATC recordings just released by the FAA to The Black Vault after a FOIA appeal. The information was originally denied.
See more (external link) 
https://www.youtube.com/watch?v=Asyq5a5RLQ4