How the Universe Works: Season 6

Are Black Holes Real?

Twin Suns: The Alien Mysteries

42min - We're checking out binary star systems in our galaxy to find out if the conditions they create are better than the single-star system we know.

Solar System's Dark History

42min - We're uncovering the dark history of how Earth came to be a planet made from the wreckage of ancient worlds before us.

The Quasar Enigma

43min - We're researching the bright, powerful and mysterious world of quasars -- the brightest objects in the universe.

Rise of the Ice Giants

43min - We're digging into new research that suggests ice giants Uranus and Neptune may have helped kickstart life on Earth.

Secret History of Mercury

42min - We're learning how Mercury -- the closest planet to the sun -- could threaten our existence on Earth.

Strange Lives of Dwarf Planets

43min - We're traveling to a number of dwarf planets to uncover their secrets -- from oceans of liquid water on ex-planet Pluto to vanishing volcanoes on icy Ceres.

Are Black Holes Real?

42min - New discoveries are challenging what we know about black holes, with some astronomers even questioning if they exist. The latest science tries to explain how they work and what they look like, even though no one has ever seen one.

War on Asteroids

43min - Scientists reveal new technology designed to prevent an asteroid from hitting Earth and causing an apocalyptic scene.

Mystery of Spacetime

42min - We're learning how spacetime has been expanding since the beginning and will ultimate end our universe.

Mystery of Spacetime

43min - Spacetime controls our universe.

Death of the Milky Way

43min - The Milky Way is dying and scientists are trying to discover what's killing it. Scientists must trace its whereabouts over the past 13.6 billion years.