because its not yet proven by the scientis6 who studies them so its extraterrestrial
yes extraterrestrial life form is existing
Extraterrestrial life is life that may exist and originate outside the planet Earth, the only place in the universe currently known by humans to support life.
*Prove first the existence of extraterrestrial life
*If proven, research to find a link if they have been in this planet
*As some experts about it
*buy or make tools to document or even capture the organism
optional* prove what you got to the scientific community