NASA is Searching for Earth 2.0, Here's How.

Transcript

There are more planets in our universe than grains of sand here on Earth, and so far life has only ever been found on one. But astronomers are looking. Right now they are searching through our galaxy for Earth 2.0, a rocky world with oceans of water filled with life, and if we're lucky, an intelligent alien civilization we can talk to. A hundred ye... Read More