Overcoming Fear, with Alex Honnold

Matt O’Dowd’s Favorite Object in the Universe

How Much Does Air Weigh?

Is Empathy an alien concept to humanity?

Digging through Earth’s core with StarTalk

The reason you're AFRAID of heights

"What if the laws of physics are wrong?" 🤔

Is Our Sun the ULTIMATE Food Source?

Alien Intelligence and Consciousness

Inducing Stellar Thermonuclear Fusion - Nuclear Engineer Reacts to Startalk

Are Humans Naturally Violent?

What Would Aliens Think Of Humanity?

What Do Amino Acids Found In Asteroids Mean For The Origins Of Life?

How Scientists Found Material Older Than the Solar System

Jamila A. Sadi — Latest on the Hausa Singer and Releases

Limited Edition 'Infinity and Beyond' Pre-Orders out NOW at B&N

Does Spielberg have a direct line to the Pentagon? 👽

Does Earth take 24 hours to rotate?