How to Find a Living Planet (Video)

The more we see other planets, the more the question comes into focus: Maybe we're the weird one? Decades of observing Earth from space has informed our search for signs of habitability and life on exoplanets and even planets in our own solar system. We're taking a closer look at what we've learned about Earth - our only example of a planet with life - to our search for life the universe. Complete transcript available.

Credit: NASA's Goddard Space Flight Center/LK Ward