Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, Hulu, Sling TV, Animal Planet, Philo

SPACE'S DEEPEST SECRETS goes even deeper into the incredible mysteries and discoveries of our cosmos. From the supermassive black holes and the strangest weather in the universe to the latest science on parallel universes and the Big Bang, the series provides fascinating new information about the universe’s most bewildering questions.

Documentary · 2016 · 1 hr 26 min

Starring Michelle Thaller , Hakeem Oluseyi , Phil Plait

Director David Stewart

EPISODE 1

The Universe's Greatest Hits

From the mission that saw Pluto for the first time to the Mars rovers, a new breed of explorers are risking their careers, and even their lives, to lead humanity to worlds we have never seen and tackle the mysteries of life itself.

1 hr 25 min · Jan 1, 2014
EPISODE 2

Hunt for Dark Energy

World scientists are searching for Dark Energy, the biggest challenge of physics; In Europe, a multi-billion dollar satellite will map the sky from space.

43 min · May 3, 2016
EPISODE 3

Death of the Solar System

An exploration of the technology needed to survive the end of the world and the options for colonizing and starting over on a new planet.

43 min · May 10, 2016
EPISODE 4

Alien Oceans

Using 3D graphics to explore the icy wastes of Europa and the vast prehistoric oceans of Mars.

43 min · May 17, 2016
EPISODE 6

The Plot Against Gravity

The story of how a large aerospace company, BAE Systems, started a secret project to counter the force of gravity while NASA simultaneously ran a similar Breakthrough Propulsion Physics program.

43 min · May 31, 2016
EPISODE 7

Attack of the Space Junk

Millions of pieces of junk from old satellites and space missions orbit Earth; a clean-up effort by the U.S. government and others clears the path for future space travel.

43 min · Jun 7, 2016