Instead of searching the skies for radio signals, scientists suggest the first evidence of an extinct alien civilisation ...

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

We may be able to find evidence of advanced alien civilizations in pulverized traces of their technology. Oxford astrophysicist Brian Lacki argues in a new, yet-to-be-peer-reviewed paper that, instead ...