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

How bright is the Earth from the moon? Neil deGrasse Tyson and Chuck Nice have fun with the sun’s reflectivity, discuss light pollution, and explore the electromagnetic light spectrum: how does sunscreen work? NOTE: StarTalk+ Patrons can listen to this entire episode commercial-f ...  Show more

What is a starquake? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen explore asteroseismology, the sun, and what’s happening on the insides of stars with astrophysicist Conny Aerts. NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here ...  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