Extraterrestrial life
A collection of TED Talks (and more) on the topic of extraterrestrial life.
Video playlists about Extraterrestrial life
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.
What’s really floating out in space?
The answer is satellites, stars, planets, asteroids and maybe even aliens.
