Space’s Deepest Secrets
TVPG
Documentary
Science
The stories of the men and women who pushed their ingenuity and curiosity beyond the limits to uncover some of the most groundbreaking findings in the history of space exploration.
Cast & Crew
Upcoming TV Airings
The airings below are based on a generic national schedule. Times and dates can vary by TV provider.
Saturday, April 20
Hunt for the Mars Aliens
Season 6 • Episode 2
NASA's brand-new Mars rover is on the hunt for alien life; scientists search for fossilized remains.
Saturday, April 20
Killing the Milky Way
Season 6 • Episode 3
Saturday, April 20
Jupiter: Mystery of the Solar System
Season 6 • Episode 4
Experts examine new evidence that could unlock the mysteries of Jupiter.
Saturday, April 20
Secrets of the Asteroids
Season 6 • Episode 5
Examining asteroids in detail; revealing how space rocks can kick-start life on other planets.
Saturday, April 20
Space's Great Wall
Season 7 • Episode 2
Astronomers uncover the most massive structure in the universe that's 1 billion light years long.
Saturday, April 20
Mystery of the Dead Planets
Season 7 • Episode 1
The more alien worlds astronomers discover, the more they unmask the puzzling nature of the cosmos.
Sunday, April 21
Secrets of the Asteroids
Season 6 • Episode 5
Examining asteroids in detail; revealing how space rocks can kick-start life on other planets.
Sunday, April 21
Space's Great Wall
Season 7 • Episode 2
Astronomers uncover the most massive structure in the universe that's 1 billion light years long.
Sunday, April 21
Mystery of the Dead Planets
Season 7 • Episode 1
The more alien worlds astronomers discover, the more they unmask the puzzling nature of the cosmos.
Sunday, April 21
Jupiter: Mystery of the Solar System
Season 6 • Episode 4
Experts examine new evidence that could unlock the mysteries of Jupiter.
Saturday, April 27
The Giant Ice Planets
Season 7 • Episode 4
Astronomers are finally unlocking the mysteries to the alien underworlds of Uranus and Neptune.
Saturday, April 27
Curse of the White Holes
Season 7 • Episode 3
Experts investigate the most ancient parts of the universe to search for proof of white holes.
Saturday, April 27
Pluto: Back From The Dead
Season 6 • Episode 1
New images of Pluto are revealing an active world that was once thought to be geologically dead.
Saturday, April 27
The New Explorers
Season 7 • Episode 14
A new breed of intrepid explorers are risking their lives to lead humanity to worlds never seen.
Saturday, April 27
Space Force Declassified
Season 7 • Episode 11
From missiles to laser technology, there is a cutting-edge race to build the ultimate space weapon.
Sunday, April 28
The New Explorers
Season 7 • Episode 14
A new breed of intrepid explorers are risking their lives to lead humanity to worlds never seen.
Sunday, April 28
Space Force Declassified
Season 7 • Episode 11
From missiles to laser technology, there is a cutting-edge race to build the ultimate space weapon.
Sunday, April 28
Pluto: Back From The Dead
Season 6 • Episode 1
New images of Pluto are revealing an active world that was once thought to be geologically dead.