Coldplay have cryptically teased details of a new project called ‘Alien Radio’.A brief clip shared on social media today (April 27) sees the band presenting a series of mysterious purple symbols over a static radio signal – with fans invited to visit AlienRadio.FM to learn more.The website itself sees fans being greeted by a rotating globe in the centre of the screen, before the cursor is transformed into a four-pointed star.While things remain largely cryptic at present, it hasn’t stopped Coldplay fans from attempting to decipher what appears to be the true message behind the mysterious imagery.