How the Universe Works 6

Are Black Holes Real? (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.

Twin Suns: The Alien Mysteries (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.

Dark History of the Solar System (2018)

Our solar system hides a dark and violent past, and new discoveries reveal that Earth and the planets were formed from the destruction of strange alien worlds that came before us.

Death of the Milky Way (2018)

The Milky Way is dying, and using the latest science and discoveries, experts are investigating what's killing it.

Uranus & Neptune: Rise of the Ice Giants (2018)

Uranus and Neptune are mysterious, icy worlds at the edge of our solar system, and new discoveries reveal that these strange planets might have helped start life on Earth.