How the Universe Works
The Search for a Second Earth (S03E09)
Could there be another Earth somewhere in the universe, complete with liquid oceans, solid landmasses, and life as we know it? Astronomers are on a...
S03E09
Show
Season 3 Episodes
S03E02 - The End of the Universe
How the Universe Works
S03E03 - Jupiter: Destroyer or Savior?
How the Universe Works
S03E04 - First Second of the Big Bang
How the Universe Works
S03E05 - Is Saturn Alive?
How the Universe Works
S03E06 - Weapons of Mass Extinction
How the Universe Works
S03E07 - Did a Black Hole Build the Milky Way?
How the Universe Works
S03E08 - Our Voyage to the Stars
How the Universe Works