Are alien probes visiting our solar system? via Unexplained-Mysteries Image Credit: YouTube / NASA / ET Data Base A NASA report published in 2018 takes the idea of finding alien 'technosignatures' very seriously indeed. The search for evidence of intelligent extraterrestrial civilizations is perhaps one of the most important endeavours mankind has ever undertaken. It has the potential to not only answer the age-old question of whether or not we are alone in the universe, but to also fundamentally change how we see ourselves and what it means to be a member of a wide-reaching cosmic community. Actually finding evidence of alien life however is proving to be easier said than done. In the 2018 70-page document 'NASA and The Search For Technosignatures', scientists discussed how evidence of an alien civilization might be found and what form it might take. Intriguingly, the space agency has considered numerous possibilities ranging from detecting 'technosignatures' around distant stars to