Something happens to a news cycle when a 89-year-old physicist sits down on a podcast and says, in the same unhurried tone you’d use to describe the weather, that the U.S. government has recovered at least four distinct species of non-human life from crashed spacecraft.

The Pentagon unveiled another batch of its so-called UFO files on Friday, part of a rolling release of once-classified material ordered released by President Donald Trump.

More recently, a senior US intelligence officer said he saw "countless orange orbs swarming in all directions" last year rendering him "speechless".