Sagan, Carl

A radio signal from beyond our stars has been received, and its meaning is both astonishing and terrifying. The signal contains the information to build a machine that can travel to the stars, and...

The Demon-Haunted World: Science as a Candle in the DarkA powerful and stirring defence of informed rationality, this book argues that scientific thinking is critical to the pursuit of truth and the...

Dr. Carl Sagan's "Dragons of Eden" is a fascinating exploration of the evolution of human intelligence, tracing the history of the human brain from the Big Bang to the present day.Through his vivid...