Astrophysicist and best-selling author Neil deGrasse Tyson explains why the moon sometimes appears larger and brighter in the night sky.

What is Schrödinger's Cat? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explore Schrodinger's cat and quantum mechanics… Or do they?

In this explainer, we 're exploring the mystery of Stonehenge. Who built it? Neil deGrasse Tyson and comic co-host Chuck Nice talk about the prehistoric landmark and its ancient connection to the stars. Could it have been made by aliens?

Neil deGrasse Tyson explains the logic behind the leap year, with a brief history in calendars as well.

What if we could live forever? Neil deGrasse Tyson takes us through life and death: if we could live forever what would life really mean? We explore why fresh flowers have meaning and why dogs make every day count. Learn about the Cretaceous-Tertiary Even...

n this exclusive clip, Tyson asks Hawking your standard softball interview question: what was around before the big bang?

You’ll learn why there’s really no limit of how hot you can make something. On the flip side, we dive into why making things colder is a different story. How do you create a place where there is no heat? You’ll find out more about the Kelvin scale or abso...

What is a black hole? On this mashup of StarTalk's best explanations of black holes, Neil deGrasse Tyson and Chuck Nice take us through all you need to know about black holes, featuring Janna Levin.

What’s the deal with daylight saving? On this StarTalk explainer, Neil deGrasse Tyson and co-host Chuck Nice question the existence of daylight saving time.