Carl Sagan Audio & Video

Stephen Hawking, Arthur C. Clarke and Carl Sagan (via satellite) discuss the Big Bang theory, God, our existence as well as the possibility of extraterrestrial life.

Cosmos is one of the bestselling science books of all time.

How can we make intelligent decisions about our increasingly technology-driven lives if we don't understand the difference between the myths of pseudoscience and the testable hypotheses of science?

Carl Sagan, one of the pre-eminent astronomers of our time, talks about his book "The Demon Haunted World: Science as a Candle in the Dark", which explores the country's growing fascination with pseudo-sciences.

In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history....

Dr. Carl Sagan takes us on a great adventure, offering his vivid and startling insight into the brain of man and beast, the origin of human intelligence, the function of our most haunting legends - and their amazing links to recent discoveries.

Astronomer Carl Sagan discusses his work in space and his book "Pale Blue Dot: A Vision of the Human Future in Space", which offers a unique tour of our solar system, galaxy, and beyond.

In Cosmos, the late astronomer Carl Sagan cast his gaze over the magnificent mystery of the Universe and made it accessible to millions of people around the world.

This film is an edited version of a symposium held at Boston University on November 20, 1972 that explores the implications of the possible existence of extraterrestrial life within the galaxy and the universe.

Carl Sagan's prophetic vision of the tragic resurgence of fundamentalism and the hope-filled potential of the next great development in human spirituality The late great astronomer and astrophysicist describes his personal search to understand the nature of the sacred in the vastness of the cosmos.