Carl Sagan with the famous message sent on Pioneer probes, 1974. By then he knew we might find life closer to home. Credit: CBS via Getty Images Millions of space nerds reacted with joy Monday to ...

Beloved astronomer Carl Sagan made a prescient prediction about a populist "charlatan" that seems to have come true decades ...

The famed astrophysicist Carl Sagan and former President Jimmy ... just five years before World War II began. Had Sagan’s family remained in Ukraine, they would have been murdered in the Holocaust.

“I was listening to ‘Cosmos’ by Carl Sagan and reading a book on string theory,” she recalled. “I’ve always been interested in astrophysics and interested in astronomy and astrology ...

Carl Sagan, the astronomer, Pulitzer Prize-winning author, and legendary popularizer of science, gave this interview during the making of "Time Travel." True to form, he discusses arcane aspects ...

“I was listening to ‘Cosmos’ by Carl Sagan and reading a book on string theory,” she recalled. “I’ve always been interested in astrophysics and interested in astronomy and astrology ...