Unknown space object beaming out radio signals every 18 minutes remains a mystery CNNAstronomers spot mysterious object ‘unlike anything seen before’ – and it’s sending signals our way... The SunAstronomers discover mysterious pulsing object that may be new class of star The Guardian‘Spooky’ object that unleashes periodic bursts of energy detected in Milky Way NBC NewsMysterious object 4,000 light years from Earth releases a giant burst of energy three times an hour Daily MailView Full Coverage on Google News