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

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

Once upon a time, science communication was a niche hobby, reserved for the rare few who could translate lab jargon into something the public might understand. Carl Sagan made it look easy, but most ...

Could you see a nuclear explosion on the moon with the naked eye? That was the question posed by the United States military ...

The multi-faceted band's new tune " Try Not to Die " played a few songs into the set, poetically employing Carl Sagan's ...

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.

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 ...

Ithacans willing to brave Friday with a little less sleep could clearly see the March 14 total lunar eclipse in most areas of ...

63OK," Carl Sagan and George Mullen wrote, turning their attention to the topic in 1972. "Had we used 50 percent for ΔL, the freezing point of seawater would have been reached about 1.4 aeons ago ...