A History of Short Words

From the New York Times Crossword Puzzle

UFOS

Wed, 10 Aug '22
Sci-fi conveyances
Tue, 29 Mar '22
Alien transports
Mon, 18 Oct '21
Causes of some mysterious radar blips, in brief
Mon, 23 Aug '21
Interplanetary craft, for short
Tue, 11 May '21
Vehicles in some tabloid photos
Sun, 28 Mar '21
Ships passing in the night?