AJ and Matt attempt to answer the biggest mystery as we come up to Valentine's Day; why are we alone?

Our home galaxy, the Milky Way, has been around for billions of years, and given how (relatively) quickly life was able to develop on Earth, it should be teeming with extra-terrestrial life. But despite that, we, as a species, have never seen conclusive evidence life, much less intelligent life, exists anywhere else, so what might be hiding it from view?

Are they too far away, too alien, too stupid, too clever or are we really alone in the Universe? The possibilities are endless, but AJ and Matt discuss some of the main theories and argue about the best way to communicate with alien species and whether the Prime Directive is benevolent or racist.

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Sources and further reading:

Kurzgesagt video summing up the Fermi Paradox: https://www.youtube.com/watch?v=sNhhvQGsMEc

Wikipedia article with concise list and links to further reading on the minutiae of solutions: https://en.wikipedia.org/wiki/Fermi_paradox

John Michael Godier video on the Wow Signal: https://youtu.be/aseyBWZa3pY

Excerpts from Professor Brian Cox documentary: https://www.bbc.co.uk/programmes/b00zdhtg

Wikipedia article on the Wow! Signal: https://en.wikipedia.org/wiki/Wow!_signal

Radio/podcast discussion between John Michael Godier and Dr Stephen Webb: https://www.youtube.com/watch?v=f8eklCtMbbc

Netflix Alien Worlds series which goes in depth on what alien life might be like: https://www.netflix.com/gb/title/80221410

Isaac Arthur video on stupidity unlikely to be seen in alien life: https://www.youtube.com/watch?v=yXWe8g0zziw

NASA article on Oumuamua: https://solarsystem.nasa.gov/asteroids-comets-and-meteors/comets/oumuamua/in-depth/

Lemmino video on one of the more likely UFO candidates: https://www.youtube.com/watch?v=SpeSpA3e56A

The Week article on Roswell Incident: https://www.theweek.co.uk/us/59331/roswell-ufo-crash-what-really-happened-67-years-ago

Frontiers article on the Hessdalen lights: https://www.frontiersin.org/articles/10.3389/feart.2016.00017/full

Unsolved Mysteries episode on people who believe they've been abducted: https://www.imdb.com/title/tt11229146/

Interesting Engineering article on bizarre ancient technology: https://interestingengineering.com/7-ancient-inventions-that-were-way-ahead-of-their-time

This is a Disaster Podcast episode on the Fermi Paradox: https://www.thisdisasterpod.com/episode/we-are-alone/

Playlist of Lemmino videos on space (they are excellent!): https://www.youtube.com/playlist?list=PLQ7XwKXhDhDhT__-GEXwlRcFSYRL-pmtF

Arthur C Clarke's Space Odyssey series: https://www.amazon.co.uk/gp/bookseries/B00JQMHHD6/ref=dp_st_0453002692