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.
Mystery of the Dead Planets
S7 E1

Astronomers are laying the groundwork to locate a new planet for the human race to inhabit, and the more alien worlds they discover and encounter, the more they unmask the mysterious and truly destructive nature of the cosmos.

Space's Great Wall
S7 E2

Astronomers make an extraordinary discovery when they uncover a cosmic megastructure that's 1 billion light years long, and investigators race to decode the hidden forces that shape the most massive and mysterious structure known in the universe.

Curse of the White Holes
S7 E3

Einstein predicted strange cosmic phenomena known as white holes, but scientists have yet to prove they exist; as experts investigate the tiny black holes that hide in the most ancient parts of the universe, they might finally find the smoking gun.

Bermuda Triangle of Space
S7 E10

Astronauts have detected a mysterious region of space that's dangerous for reasons they have yet to understand, and scientists believe the long-term effects of this danger zone may have implications for the future of humanity.

Pluto: Back From The Dead
S6 E1

New close-up images of the dwarf planet Pluto are revealing an active world that was once thought to be geologically dead; using cutting-edge technology, experts examine the possibility of alien life on Pluto.

Hunt for the Mars Aliens
S6 E2

NASA's brand-new Mars rover is on the hunt for alien life; scientists embark on a search for fossilized remains.

Jupiter: Mystery of the Solar System
S6 E4

Experts examine new evidence that could unlock the mysteries of Jupiter and why this planet is so strange.

Secrets of the Asteroids
S6 E5

NASA's mission to investigate asteroids in more detail than ever before; revealing how space rocks can kick-start life on other planets and possibly hold answers to the secrets of the solar system.

Dark Secrets of the Solar System
S5 E5

New evidence is rewriting the history of the solar system; using the latest discoveries and cutting-edge technology, experts investigate to see if the cosmic neighborhood once featured oversized alien Earths and a second Sun.

Hunt for the Missing Black Holes
S5 E8

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.

Wrath of the Sun
S5 E9

New discoveries reveal the apocalyptic threats that the sun poses to life on Earth; using the latest technology, experts are uncovering the deadly secrets of the solar system's star.

Asteroid Apocalypse
S5 E10

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.

Mars' Alien Secrets
S5 E11

The latest NASA missions to Mars might finally reveal if it is home to alien life; using these brand-new discoveries, experts are rethinking everything they know about the Red Planet.

Mission to the Red Planet
S4 E2

The latest science shows what it would take to build colonies on Mars and why human colonization of the Red Planet may take place in the not-too-distant future.