Lessons Worth Sharing | TED-Ed

You have JavaScript disabled
For the best experience, please turn JavaScript on. Here's how

Out Of This World

Solar flares! Supermassive black holes! Asteroids and exploding stars! Space has no shortage of dazzling phenomena for us to explore, study, and ponder. Leave the Earth behind and probe the mysteries of the universe with this series. You never know what you might find...

97 Lessons

Science & Technology

How big is the biggest star?

18,659,418 Views

Earth and Space Science

The history of our world in 18 minutes - David Christian

303,213 Views

Earth and Space Science

What is the universe made of?

499,888 Views

Earth and Space Science

What we can learn from galaxies far, far away

257,639 Views

Earth and Space Science

From outer space to under our skin: a look at the universe

8,624,706 Views

Earth and Space Science

The fundamentals of space-time: Part 1

1,535,710 Views

Earth and Space Science

What light can teach us about the universe

310,895 Views

Science & Technology

Our story in 1 minute

15,285,359 Views

Science & Technology

Learn about the universe (that's everything, right?)

1,772,687 Views

Science & Technology

How do we study the stars?

816,022 Views

Science & Technology

Light seconds, light years, light centuries: How to measure extreme distances

3,473,753 Views

Earth and Space Science

Could comets be the source of life on Earth?

131,502 Views