Ideas change everything

Planets

A collection of TED Talks (and more) on the topic of Planets.

Video playlists about Planets

What would it be like to live on another planet?

Mars is humanity's next destination. We keep talking about it, but what would it really be like to live there?

How space technology can change life on Earth

Sure, we're looking beyond the planet to other worlds we may one day inhabit -- but a lot of this technology we've developed can be used for the good of the Earth, too.

What’s really floating out in space?

The answer is satellites, stars, planets, asteroids and maybe even aliens.

What makes Earth so special?

There's something special about our busy, blue marble of a planet. These talks explore why we should make strides to preserve our shared, galactic home.

See all playlists on Planets

Talks about Planets

Elise Cutts

Why are there two tides a day?

Scott Hershberger

The birth of the galaxy in 60 seconds

Shannon Odell

Why are scientists shooting mushrooms into space?

Fabio Pacucci

Why is everyone fighting over these tiny spots of space?

Jessie Christiansen

What the discovery of exoplanets reveals about the universe

Heidi Hammel and Nadia Drake

The marvels and mysteries revealed by the James Webb Space Telescope

Jennifer Heldmann

SpaceX's supersized Starship rocket -- and the future of galactic exploration

Betül Kaçar

We could kick-start life on another planet. Should we?

Katie Mack

Life-altering questions about the end of the universe

Katie Mack

The death of the universe -- and what it means for life

Jessy Kate Schingler

Civilization on the Moon -- and what it means for life on Earth

Elizabeth "Zibi" Turtle

What Saturn's most mysterious moon could teach us about the origins of life

Fabio Pacucci

Newton's three-body problem explained

Oliver Jeffers

An ode to living on Earth

Karin Öberg

The galactic recipe for a living planet

Mike Brown

The search for our solar system's ninth planet

See all talks on Planets

Exclusive articles about Planets

Pluto really is a planet (probably): The meaning of the first close-up photos

Planetary scientist Alan Stern explains why he believes new close-up pictures of Pluto prove beyond doubt that it should have its planet status reinstated. Also, close-up photographs of Pluto!

Posted Jul 2015

Don’t yell at whistleblowers, and today’s other important stories

Margaret Heffernan explains why companies should value -- treasure! -- whistleblowers, how and why Saturn is turning blue, and other good reads from round the web.

Posted May 2014