It's Okay to Be Smart

Is There Life on Earth?

Season 7 Episode 1 | 9m 44s | Video has closed captioning.

If we lived light years from Earth, how would we know there’s life here? Let’s take a look at the search for extraterrestrial life on habitable exoplanets, and discover what biosignatures would show someone else that we’re here.

Aired: 02/08/19

Rating: NR


Problems Playing Video? | Closed Captioning