Podcast: The Fermi Paradox: Where are all the Aliens?

By Fraser Cain - February 20, 2007 11:19 AM UTC | Astrobiology

We live in a mind bogglingly big Universe filled with countless stars. We know intelligent life evolved here on Earth. It must be common across the Universe, right? But if there's life out there, how come we haven't been visited by aliens yet? Why haven't we even picked up signals from alien television stations? Where's all the life?

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Fermi Paradox

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Fraser Cain

Fraser Cain is the publisher of Universe Today, founding the website in March 1999. He's also the co-host of Astronomy Cast.