Mar 19, 2019 · 42m
When a strange alien object is discovered speeding through our solar system, experts race to uncover if it's real evidence of extraterrestrial contact or a deadly asteroid on a collision course with planet earth.
Space's Deepest Secrets
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.
Season 6 Episodes
Browse every episode and jump into details.
Mar 26, 2019 · 42m
The new discovery of seven alien Earth-like planets in a faraway solar system is a major milestone in our hunt for extraterrestrial life, and experts investigate the secrets of TRAPPIST-1's mysterious worlds to reveal if we're truly alone in the universe.
Apr 2, 2019 · 42m
Jupiter, Saturn, Uranus, and Neptune are homes to the deadliest storms in our solar system, and new discoveries reveal the secrets of this hellish alien weather, helping experts understand these alien worlds better than ever.
Apr 9, 2019 · 42m
New discoveries are helping experts in their search for the first alien moon outside our solar system, which could be Earth-like worlds with the potential for life. So far, they haven't found any, but twenty-first century methods might change everything.
Apr 16, 2019 · 42m
New evidence is rewriting the history of our solar system, and using the latest discoveries and cutting-edge tech, experts are investigating if our cosmic neighborhood once featured oversized alien Earths and a second Sun.
Apr 23, 2019 · 42m
Experts determine whether an alien object is evidence of an extraterrestrial contract or not.
Apr 30, 2019 · 42m
New discoveries reveal the dark secrets of comets, and using the latest tech, experts might prove that these mysterious alien visitors are the reason for all life on earth.
May 7, 2019 · 42m
New discoveries might finally reveal how supermassive black holes are made, and using the latest technology, experts are on the verge of understanding how these monsters grow and how they affect life on our planet.
May 14, 2019 · 42m
New discoveries reveal the apocalyptic threats that our Sun poses to life on Earth, and using the latest tech, experts are uncovering the deadly secrets of our solar system's star.
May 21, 2019 · 42m
New discoveries reveal the apocalyptic consequences of an asteroid strike, and using cutting-edge science, experts are racing to develop tech that can destroy these deadly killers before they unleash Armageddon.
May 28, 2019 · 42m
The latest NASA missions to Mars might finally reveal if it is home to alien life, and using these brand-new discoveries, experts are rethinking everything they know about the Red Planet.
Season 6 FAQ
Quick answers about this season's release timeline and episode lineup.
When did Space's Deepest Secrets Season 6 premiere?
Space's Deepest Secrets Season 6 premiered on March 19, 2019.
How many episodes are in Space's Deepest Secrets Season 6?
Space's Deepest Secrets Season 6 has 11 episodes.
What is the first episode of Space's Deepest Secrets Season 6?
The season opens with Season 6 Episode 1, "Mystery of the Alien Asteroid". It aired on March 19, 2019.
Go to Season 6 Episode 1