A round 30 years ago, Dr Carl Sagan made an eerily prophetic prediction about the future of the US, appearing to foretell the ...

Carl Sagan had a bone-chilling prediction about America in 1995. A passage from his book, The Demon-Haunted World, is now trending online a day after Donald Trump’s presidential inauguration.

With the occasional nod to his greatest achievements, his exploration of the cosmos is at times a challenging, daunting ...

Wilson sold the home to renowned scientist Carl Sagan and his wife, Ann Druyan in 1981. Druyan still resides in Ithaca’s Cayuga Heights neighborhood, north of the Stewart Avenue property ...

The famed astrophysicist Carl Sagan and former President Jimmy Carter shared a fundamental understanding about the fragility of our planet and the futility of our wars in a “vast and awesome ...

This story appears in the August 2017 issue of National Geographic magazine. Carl Sagan spent his childhood immersed in Mars. The future scientist, an avid reader of Edgar Rice Burroughs’s ...

Mixed Signals,” by Rebecca Charbonneau, explores an unusual period of Soviet-U.S. cooperation in the hunt for aliens.