How the Universe Works

How the Universe Works Season 5 Episodes

Find out how to watch Season 5 of How the Universe Works tonight at the American TV Listings Guide

Season 5 Episode Guide

Episode 1 - Mystery of Planet 9

Astronomers dig in to speculate what a mysterious ninth planet that's lurking in the outer reaches of the solar system might be like.

  

Episode 2 - Black Holes: The Secret Origin

Supermassive black holes can devour stars and can even shape galaxies. We're now studying recent black hole collisions and examine how these gigantic mysteries get so large.

  

Episode 3 - Secret History of Pluto

Scientists reveal the secret internal ocean hiding below Pluto's surface that could support life despite being four-billion miles away from the sun.

  

Episode 4 - Stars That Kill

We're counting down NASA's top six most-wanted stars worthy of any sci-fi film.

  

Episode 5 - The Universe's Deadliest

We're sending a space ship full of crash test dummies to explore the deadliest hot spots in the cosmos.

  

Episode 6 - Life and Death on the Red Planet

Technological innovations are revealing that despite having to endure violence and other catastrophic events, Martian life continues to bounce back.

  

Episode 7 - The Dark Matter Enigma

Scientists know that dark matter has been vital to our universe since its birth, but many mysteries remain. New discoveries reveal that it could create black holes, cause mass extinctions and maybe even shape life on Earth itself.

  

Episode 8 - Strangest Alien Worlds

Astronomers research strange new planets that vary differently from the Earth we know.

  



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