Fermi Paradox

The Great Filter hypothesis says we’re alone in the universe because the process of evolution contains some filter that prevents life from spreading into the universe. Have we passed it or is it in our future? Humanity’s survival may depend on the answer. (Original score by Point ... Show More

Humanity could have a future billions of years long – or we might not make it past the next century. If we have a trip through the Great Filter ahead of us, then we appear to be entering it now. It looks like existential risks will be our filter. (Original score by Point Lobo.) I ... Show More

Humans have faced existential risks since our species was born. Because we are Earthbound, what happens to Earth happens to us. Josh points out that there’s a lot that can happen to Earth - like gamma ray bursts, supernovae, and runaway greenhouse effect. (Original score by Point ... Show More

In a previous episode, I spoke about the Drake equation and the odds of there being intelligent extraterrestrial life. Many people have used the Drake equation to argue that it is almost impossible for there not to be intelligent life in our galaxy. However, in the summer of 19 ... Show More

<p><span style="font-weight: 400;">Sam Harris speaks with Neil deGrasse Tyson about our place in the universe. They discuss our current understanding of extra-solar planets, the prospect that there is complex life elsewhere in the galaxy, the Fermi problem, the possibility that a ... Show More

<p>Why This Universe hosts it&apos;s first ever live episode taping featuring guests Daniel Holz and Diana Powell. We discuss the possibility of intelligent life out in the Universe, the existential risks faced by humans on Earth, and the chance the intelligent life can persist i ... Show More

<p>In this thought-provoking conversation on life, the universe, and everything, Neil deGrasse Tyson tackles the world's most important philosophical questions about the universe with wit, wisdom, and cutting-edge science. For science geeks, space and physics nerds, and all who w ... Show More

3/6 In this instalment of The Curious Cases of Rutherford & Fry, Hannah and Adam boldly go in search of scientists who are hunting for ET, spurred on by questions sent in by listeners across the globe, from Australia to Columbia. They start by asking how we define life and why we ... Show More

<p>The possible existence of technologically advanced extraterrestrial civilizations — not just alien microbes, but cultures as advanced (or much more) than our own — is one of the most provocative questions in modern science. So provocative that it’s difficult to talk about the ... Show More

In the last week, teams of astronomers have rushed to report ever deeper views of the universe thanks to the James Webb Space Telescope. These are galaxies of stars more than 13.5 billion light years from us and we see them as they were when the universe was in its infancy, less ... Show More

For most of us, the word “multiverse” probably conjures up some sort of fun sci-fi episode like the universe in which we all have hot dogs for fingers in Oscar contender ‘Everything Everywhere All at Once’ or the parallel universe in Star Trek where there’s an evil you with a mou ... Show More