
About this season
A new breed of explorer has taken space travel beyond the moon to unlock and reveal first-ever views of alien worlds and cosmic bodies far beyond anyone's imagination. "Space's Deepest Secrets" shares stories of the men and women who pushed their ingenuity and curiosity to uncover some of the most groundbreaking findings in the history of space exploration. Hourlong episodes cover NASA's New Horizons mission to Pluto, the Hubble Telescope, the twin Voyager explorations, and other past, current and future missions and projects.
Episodes (8)

1. Hunt for the Hidden Cosmos
Aired 22 August 2017 • 42 min
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.

2. When Meteors Attack
Aired 29 August 2017 • 42 min
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.

3. Inside the New Space Race
Aired 5 September 2017 • 42 min
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.

4. Search for Alien Earths
Aired 12 September 2017 • 42 min
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.

5. Cassini's Grand Finale
Aired 19 September 2017 • 42 min
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.

6. The Sun's Greatest Mysteries
Aired 26 September 2017 • 42 min
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.

7. Expedition Extraterrestrial
Aired 3 October 2017 • 42 min
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.

8. When Black Holes Collide
Aired 10 October 2017 • 42 min
Gravitational waves may reveal the secrets behind the Big Bang.