Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Space's Deepest Secrets Season 3 Episodes
Season 3 Episode Guide
8 Episodes 2017 - 2017
Episode 1
Hunt for the Hidden Cosmos
Tue, Aug 22, 201742 mins
New telescope technology has helped astronomers to explore the never-before-seen invisible universe. These modern marvels ushered in a new age of discovery, revealing the secrets of the greatest enigmas in the cosmos, from giant black holes to supernovas.
Episode 2
When Meteors Attack
Tue, Aug 29, 201742 mins
Meteors are a deadly threat for our planet, but new technology may provide a way for Earth to fight back when they attack. Join experts as they uncover the mysteries behind these fascinating and terrifying celestial objects.
Episode 3
Inside the New Space Race
Tue, Sep 5, 201742 mins
Space entrepreneurs are on a race to transform space travel to create a home for humans beyond Earth. In this twenty-first century Space Race, modern day visionaries as they plan regular rocket launches, space hotels, and colonies on Mars.
Episode 4
Search for Alien Earths
Wed, Sep 13, 201742 mins
Astronomers and researchers are on the hunt for the groundbreaking discovery that confirms extraterrestrial life. Using state-of-the-art technology like the Kepler telescope, scientists examine thousands of exoplanets in search of another Earth.
Episode 5
Cassini's Grand Finale
Tue, Sep 19, 201742 mins
Go inside the final moments of NASA's Cassini mission, a 20-year project to explore Saturn and its moons. Cassini revealed the secrets of strange new worlds that could harbor alien life, changing everything we know about our Solar System.
Episode 6
The Sun's Greatest Mysteries
Tue, Sep 26, 201742 mins
The latest discoveries reveal the mysterious and ever-changing nature of our Sun. Astronomers are only now beginning to understand the vast power of our giant star, and new ground-breaking investigations show it like never before.
Episode 7
Expedition Extraterrestrial
Tue, Oct 3, 201742 mins
This episode is about the possibilities of finding life in our solar system. It has in depth views and information about Mars, Europa, Enceladus, and Titan.
Episode 8
When Black Holes Collide
Tue, Oct 10, 2017
An exploration of gravitational waves.