Oxygen isn't the only air life breathes.

January 25, 2018

"The Times story vindicates the claim that a conspiracy of silence has shrouded the defense department when it comes to [UFOs]."

December 19, 2017

If we want to find alien life, we shouldn't look for planets like our own.

December 16, 2017

Could alien life exist on planets outside of the habitable zone?

December 10, 2017

It could take NASA more than a decade to send a mission to Enceladus.

December 2, 2017

We know what life as we know it is like. But what about life as we don’t know it?

November 26, 2017

Because, according to science, alien life is far more than science fiction.

November 5, 2017

"There is a level of predictability to evolution."

November 2, 2017

Oceans provide a safe place for life to evolve.

October 28, 2017

Here, Tyson tackles the most important question ever: Are we alone?

October 26, 2017