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Aliens

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

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Video playlists about Aliens

What’s really floating out in space?

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

Are we alone in the universe?

Is Earth really the only life-sustaining planet? These speakers think there might just be something or someone else out there -- and urge us to keep looking for it.

Talks about Aliens

Beatriz Villarroel

Why we should search for alien artifacts

Heidi Hammel and Nadia Drake

The marvels and mysteries revealed by the James Webb Space Telescope

Henri Picciotto

Can you solve the alien pyramid riddle?

Clara Sousa-Silva

The fingerprints of life beyond Earth

Sarah Rugheimer

The search for microscopic aliens

"Aliens built the pyramids" and other absurdities of pseudo-archaeology

Can you solve the dark matter fuel riddle?

Augusto Carballido

There may be extraterrestrial life in our solar system

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Where are all the aliens?

The story of 'Oumuamua, the first visitor from another star system

Gwynne Shotwell

SpaceX's plan to fly you across the globe in 30 minutes

Armando Azua-Bustos

The most Martian place on Earth

3 moons and a planet that could have alien life

What a planet needs to sustain life

Tabetha Boyajian

The most mysterious star in the universe

How we'll find life on other planets

See all talks on Aliens

Exclusive articles about Aliens

The most important star we’ve ever looked at (so far)

The strange behavior of Tabby’s Star, or KIC 8462852, has inspired modern astronomy’s wildest guessing game, with explanations ranging from aliens to sunspots. Writer Stephen Petranek got Tabby herself to assess the competing ideas.

Posted Mar 2017

The search for alien life in a million stars

A new initiative will allow astronomers to search a million stars for intelligent life. With tens of billions of stars in the Milky Way, might we finally win the numbers game?

Posted Sep 2016

Did we just discover aliens? Scientists aren’t ruling it out

Aliens are not a thing. We know this, right? Well, maybe. Turns out that, almost despite themselves, some of the world’s leading astronomers are taking seriously the question of whether or not we are alone on Earth. Among them, Yale’s Tabetha Boyajian, who has stumbled into what might just be one of the biggest mysteries in the galaxy.

Posted Apr 2016

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