Article continues below advertisementBarack Obama is shutting down conspiracy theories that the government is hiding proof of alien life. The former president sent the internet spiraling in February when he suggested during a podcast appearance that aliens exist, saying, "They're real, but I haven't seen them."Obama, 64, later clarified his comments in an Instagram post, writing that while it's possible "life is out there," he "saw no evidence during [his] presidency that extraterrestrials have made contact with us.