Exploring dark energy; astronomer Fritz Zwicky's observations of supernovae; the Voyager Golden Record.

Cosmos: A Spacetime Odyssey

Unafraid of the Dark

The Ship of the Imagination travels to Venus; the impact of climate change on the Earth's atmosphere.

The World Set Free

The possibility that some beings live forever and why other civilizations die; the cosmic calendar of the future.

The Immortals

Scientist Michael Faraday's ideas and discoveries changed the future of high technology and instantaneous communication.

The Electric Boy

Examining the autobiography of the Earth; geologist Marie Tharp creates the first map of the Earth's ocean floor and finds microscopic life.

The Lost Worlds of Planet Earth

Annie Jump Cannon and Cecilia Payne, who challenged conventional wisdom about the stars; the lives and deaths of stars.

Sisters of the Sun

The heroic story told by going back to a time long before the Earth was formed.

The Clean Room

Exploring the universe on the smallest scale, including exotic life forms invisible to the naked eye; the neural network in the brain; the most mysterious particle.

Deeper, Deeper, Deeper Still

The history of the scientific method and how it helped us understand how light travels and how we see; the infrared universe.

Hiding in the Light

Astronomer William Herschel's observations of light's impact on time and gravity; a journey to the event horizon of a black hole.

A Sky Full of Ghosts

Chasing a single comet through its million-year plunge toward the sun; the birthplace of Sir Isaac Newton and his friendship with polymath Edmond Halley.

When Knowledge Conquered Fear

Artificial selection turns the wolf into canine breeds; natural selection's impact on the human eye; extinction.

Some of the Things That Molecules Do

Exploring the universe through stories of humankind's quest for knowledge.

S1 E5 | Hiding in the Light