- (ESA, space science) Initialism of Asteroid Impact Mission.
- „Launched in October 2020, AIM will travel to a binary asteroid system – the paired Didymos asteroids, which will come a comparatively close 11 million km to Earth in 2022. The 800 m-diameter main body is orbited by a 170 m moon, informally called ‘Didymoon’.“
- (Internet) AOL Instant Messenger
- (NASA, space science) Aeronomy of Ice in the Mesosphere - a NASA spacecraft