How the Universe Works - Season 5 - Eps 4: Secret History of Pluto
The first close-up images of Pluto revealed unimaginable secrets of this mysterious frozen world. Now, scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface, and whether this underground ocean could harbor life.
About How the Universe Works

Title: How the Universe Works
First Air Date: 2010-04-25
Last Air Date: 2023-04-02
Status: Returning Series
Rating: 8.2/10 (from 111 votes)
Language: EN
Seasons: 12
Total Episodes: 93
Network: Science Discovery
Genres: Documentary
Production Companies: Discovery
Synopsis
A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has ever looked up at the night sky and wondered.