Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, they are more likely rare, scientists say

Liberal influencer Brian Tyler Cohen interviewed Obama for a video that was published Feb. 14, touching on a variety of topics, from racism to ICE raids. But it was a lightning round at the end that got the most attention, with Cohen asking, “Are aliens real?”

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.