Who hasn’t looked up at the stars at some point and thought maybe there are other intelligent creatures out there? Astronomers scan the cosmos and they’ve found plenty of intriguing but inconclusive signals so far. Are they no more than magnetic waves from far off dead planets, or something more? Dr. Franck Marchis, Senior Planetary Astronomer at the SETI Institute (Search for Extraterrestrial Intelligence), tells Luke Turner about the groundbreaking research the institute is doing and how you can play your part in the search for extraterrestrial intelligence. Guest: Dr Franck Marchis Resources: SETI, A Sign In Space Every Monday and Thursday WHY? takes you on an adventure to the edge of knowledge, asking the questions that puzzle and perplex us, from the inner workings of the universe to the far reaches of our dreams. Follow on your favourite app so you never miss an edition. WHY? is written and presented by Luke Turner. Audio production by Jade Bailey. Artwork by James Parrett. Music by DJ Food. Exec Producer: Jacob Jarvis. Lead Producer: Anne-Marie Luff. Group Editor: Andrew Harrison. WHY? is a Podmasters Production. Instagram | Twitter Learn more about your ad choices. Visit megaphone.fm/adchoices