Carl Sagan Audio & Video

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

Stretch your mind with this great roundtable featuring Stephen Hawking, Arthur C. Clarke, and Carl Sagan. Host Magnus Magnusson asks the big questions about topics like the Big Bang, black holes, time travel, extraterrestrial life, and God.

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?

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.

In the final book of his astonishing career, Carl Sagan brilliantly examines the burning questions of our lives, our world, and the universe around us.

Scientist Carl Sagan describes what a nuclear winter would be like in this short interview from 1991. He hypothesized what this would be like in his 1990 book A Path Where No Man Thought: Nuclear Winter and the End of the Arms Race.

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.

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....

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.