Cosmic Queries – Robot Ethics with Dr. Kate D...

Are we living inside a computer simulation? Is artificial intelligence truly conscious? And what happens to us when we die? Neil deGrasse Tyson and cohost’s Chuck Nice and Gary O’Reilly tackle more questions from inside the StarTalk team. NOTE: StarTalk+ Patrons can listen to thi ...  Show more

What are the main candidates for dark matter? Neil deGrasse Tyson and comic co-host Chuck Nice sit down with theoretical physicist Katherine Freese to tackle fan questions about dark matter, dark energy, and the dark universe at large. NOTE: StarTalk+ Patrons can listen to this e ...  Show more

There's perhaps no bigger "What If" that will ever be asked. As long as we have been able to look up at the stars and understand the vastness of space, humans have pondered whether we are indeed alone in the universe. But perhaps no one has "been on the case" in a more serious wa ...  Show more

So imagine that all of the reports of UFO's, visitations and alien abductions were true...but sort of not? Confused? How about instead of "aliens" being alien, they were actually humans travelling back in time from the future to study their origins as a species? This is the thesi ...  Show more

Whenever I'm out doing field work or on a hike, I’ve not only got my eyes wide open, but my ears too. There’s a lot going on in a forest or under the sea - the sounds of nature. So many of those sounds in nature are about communication.

Personally, I love to chat with ra ...

We ask some of the world’s top thinkers in science, astronomy, technology, academia and futurism to ponder some of our most popular What If videos. What If half the Earth’s population was wiped out? What If you fell into a pool of liquid nitrogen? What If we lived in a Galactic Z ...  Show more