Is Earth’s core a solid or a liquid? Yes. The mysteries of our own planet’s interior have, in many ways, been harder to crack than those of the rest of the cosmos.

Cultures from North America to Australia share legends of a missing star in the Pleiades. Could this global myth preserve a real astronomical event?

Unravel the mysteries of lunar eclipses and the captivating Super Blood Moon! This educational video explores the moon's orbit and its relationship with Earth and the sun, explaining why eclipses occur. Learn about supermoons, penumbras, and umbras, and h...

Explore the life of Sylvester James Gates Jr., trailblazing theoretical physicist, supersymmetry pioneer, and champion for diversity in STEM.

Planet Earth is the jewel of the solar system—the shimmery blue oceans, the verdant green forests, the wispy whimsical cloud formations.

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

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

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

Thinking about doing some black hole watching the next time you’re on an intergalactic vacation, but you’re not quite sure where to start? Well, look no further! This series of videos shows you everything you need to know. With topics ranging from basic b...