autoevolution 6 Jan 2021, 9:19 UTC · by It’s been said countless times, including by Harvard Professor Avi Loeb: it would be ridiculous for us to assume we’re the only ones in this vast universe. In fact, according to Loeb, look no further than 2017 for signs that we are not alone. 1 photo This isn’t the first time Professor Loeb makes headlines for what many in the scientific community still consider an outrageous idea, but he isn’t backing down. He maintains the Oumuamua “asteroid” that passed Earth in 2017 was no regular asteroid at all, but rather a piece of debris of alien technology.