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.

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

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

The Carl Sagan Center for Research (CSC) brings together all the scientific research at the SETI Institute. Home to more than 75 scientists, the CSC conducts grant-funded research across nearly all ...

NOVA: Speculate for a moment on the parts of human nature, the commonality of believing in abductions, or aliens anyway, and the part of human nature that wants to search for other life forms in ...

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 ...

Carl Sagan told us that there are more stars in the universe than there are grains of sand on all of the Earth's beaches. At the same time, there are more H 2 O molecules in just 10 drops of water ...

Dr. Sagan, a planetary scientist who was recognized for both his ingenious scientific ideas as well as his enormous influence in popularizing space science, was a new member of the SETI Institute’s ...