How the Universe Works
Secret History of Pluto (S05E04)
The initial close-up photos of Pluto unveiled astonishing secrets about this enigmatic icy planet. Currently, researchers are exploring the possibi...
S05E04
Show
Season 5 Episodes
S05E02 - Mystery of Planet 9
How the Universe Works
S05E03 - Black Holes: The Secret Origin
How the Universe Works
S05E04 - Secret History of Pluto
How the Universe Works
S05E05 - Stars That Kill
How the Universe Works
S05E06 - The Universe's Deadliest
How the Universe Works
S05E07 - Life and Death on the Red Planet
How the Universe Works
S05E08 - The Dark Matter Enigma
How the Universe Works