Barack Obama insists that US Government isn't hiding alien secrets Former US President Barack Obama has rubbished claims that the nation is concealing information about aliens. 9 May 2026 Barack Obama has shut down conspiracy theories claiming the US government is secretly hiding aliens. Barack Obama has dismissed claims that the truth about aliens is being hidden by US politicians The former US President addressed the long-running speculation during an appearance on CBS's The Late Show with Stephen Colbert, where he firmly denied there was any major extraterrestrial cover-up taking place behi...