Carl Sagan's classic 1980 documentary series covering a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.

Beloved astronomer Carl Sagan made a prescient prediction about ... sooner or later is going to blow up in our faces," the ...

Carl Sagan was an American astronomer who is known for his immense contribution to space science and planetary exploration. He was born on November 9, 1934, in Brooklyn, New York, and died on ...