The reason you're AFRAID of heights

Overcoming Fear, with Alex Honnold

How Much Does Air Weigh?

Matt O’Dowd’s Favorite Object in the Universe

Is Empathy an alien concept to humanity?

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

Is Our Sun the ULTIMATE Food Source?

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

Inducing Stellar Thermonuclear Fusion - Nuclear Engineer Reacts to Startalk

Alien Intelligence and Consciousness

Are Humans Naturally Violent?

Can We Travel at Light Speed?

How Scientists Found Material Older Than the Solar System

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

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

Neil deGrasse Tyson: Aliens Won't Look Like Us

What Would Aliens Think Of Humanity?