Where Are All the Aliens?

3000 years is a long time. How do we know what was on the menu? And would we eat it today? Jorge talks to an archaeologist about ancient foods.See omnystudio.com/listener for privacy information. 

Why do our joints snap, crackle and pop? And why can't we stop doing it? Jorge investigates the evolution, psychology and physics of this annoying habit.See omnystudio.com/listener for privacy information. 

What happens to the things we remember when we can't remember them anymore? Jorge talks to two psychologists about the science of forgetting and the fascinating world of amnesia.See omnystudio.com/listener for privacy information. 

Are we alone in the universe? It's a question studied in science fiction, but also by teams here at NASA. Join us as we search for signs of life outside of Earth with scientists Aki Roberge, Ravi Kopparapu, and Shawn Domagal-Goldman. 

Why have we not yet found proof of alien life? According to astrophysicist Avi Loeb, we simply haven't dedicated the proper resources. Diving into unidentified phenomena such as the Oumuamua asteroid, he explores his scientific search for extraterrestrial technology, envisioning ... Show More

<p>Is there life on other planets? On this episode of <i>StarTalk</i>, Neil deGrasse Tyson and co-host Matt Kirshen dig into the search for extraterrestrial life with exoplanet expert and author of the memoir, “<i>Smallest Lights in the Universe,” </i>astrophysicist Sara Seager.  ... Show More

Are we alone in the universe—or already living alongside an ancient alien intelligence? In this mind-bending exploration, Professor Robin Hanson (George Mason University & Oxford’s Future of Humanity Institute) breaks down the statistical odds that alien life exists and why it ma ... Show More

Sci-Fi Drive-in movie night has Guy Raz and Mindy dreaming about life on other planets. And it just so happens that a team of researchers may (or may not) have discovered evidence of life on...VENUS? Join Mindy, Guy Raz, and Reggie as they head out to their favorite solar system ... Show More

In this episode, we will learn a little about aliens or extraterrestrials. We will discuss why scientists think there could be life outside our planet and how they will look for it. We will look at the “Goldilocks Zone,” where it is not too hot or cold for liquid water and possib ... Show More

<p>We have identified thousands of planets just in our neighborhood in the Milky Way, mostly from the way they impact their host stars. Basic calculations suggest that there are countless more across the galaxy, and that billions of them could potentially support life. But what k ... Show More

Daniel and Kelly discuss the Rare Earth Hypothesis, that argues that Earth-like life is vanishingly rare.See omnystudio.com/listener for privacy information.