Extraterrestrial Life

10 Expert Theories About Alien Life

Are we alone in the universe? Some of the world's greatest minds have taken this question on. Watch the video below to hear the theories of experts from Nicola Tesla to Neil deGrasse Tyson.

Top 10 Theories On Alien Life

Find out what the experts think about whether or not there is life on other planet.

How Are We Looking For Aliens?

We may not have found them yet, but that's not for lack of trying.

The Fermi Paradox, Explained

It's very likely that there's other life in the universe, so why haven't we found it?

Written by Curiosity Staff September 30, 2016

Curiosity uses cookies to improve site performance, for analytics and for advertising. By continuing to use our site, you accept our use of cookies, our Privacy Policy and Terms of Use.