The BEST episodes of How the Universe Works season 6
Every episode of How the Universe Works season 6, ranked from best to worst by thousands of votes from fans of the show. The best episodes of How the Universe Works season 6!
A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A primer for anyone who has ever looked up at the night sky and wondered.

#1 - Are Black Holes Real?
Season 6 - Episode 1 - Aired 1/9/2018
New discoveries are challenging everything we know about black holes, and astronomers are beginning to question if they even exist. The latest science tries to explain how they work and what they look like, despite the fact we've never actually seen one.
Watch Now:Amazon
#2 - Twin Suns: The Alien Mysteries
Season 6 - Episode 2 - Aired 1/16/2018
Planets that orbit two suns instead of one might be deadly hell worlds, but new discoveries reveal that sci-fi star systems with binary stars might be optimal places for alien life.
Watch Now:Amazon
#3 - Dark History of the Solar System
Season 6 - Episode 3 - Aired 1/23/2018
Our solar system hides a dark and violent past, and new discoveries reveal that the earth and planets were formed from the destruction of strange alien worlds that came before us.
Watch Now:Amazon
#4 - Death of the Milky Way
Season 6 - Episode 4 - Aired 1/30/2018
The Milky Way is dying, and experts are investigating what's killing it.
Watch Now:Amazon
#5 - Uranus & Neptune: Rise of the Ice Giants
Season 6 - Episode 5 - Aired 2/6/2018
Uranus and Neptune are mysterious, icy worlds at the edge of the solar system; new discoveries reveal that these strange planets may have helped start life on Earth.
Watch Now:Amazon
#6 - Secret History of Mercury
Season 6 - Episode 6 - Aired 2/13/2018
Mercury is a deadly world, facing attacks from the sun, comets, and other planets, and even though it's the smallest planet in the solar system, it has a dangerous secret a dangerous secret that might one day threaten life on Earth.
Watch Now:Amazon
#7 - The Quasar Enigma
Season 6 - Episode 7 - Aired 2/20/2018
Quasars are the brightest and most powerful objects in our universe, and though they have shaped the cosmos, they might ultimately destroy everything that exists.
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#8 - Strange Lives of Dwarf Planets
Season 6 - Episode 8 - Aired 2/27/2018
Our solar system is home to hundreds of strange, tiny worlds called dwarf planets, and new discoveries reveal the secrets of these mysterious places.
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#9 - War on Asteroids
Season 6 - Episode 9 - Aired 3/6/2018
Scientists are using cutting-edge technology to stop an asteroid apocalypse, and for the first time, mankind is closer than ever to keeping Earth safe from these killer space rocks.
Watch Now:Amazon
#10 - Mystery of Spacetime
Season 6 - Episode 10 - Aired 3/13/2018
Spacetime is the secret structure that controls the universe, and this strange four-dimensional substance controls time, light, and energy. It will also determine how the universe will end.
Watch Now:Amazon