Beloved astronomer Carl Sagan made a prescient prediction about ... Sagan stressed the importance of public science education ...

If dark energy is not constant, the effects would be huge. Our current model of the universe, called the Lambda Cold Dark ...

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 ...

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(via Kyle Hill) Could you see a nuclear explosion on the moon with the naked eye? That was the question posed by the United States military in the 1950s as the cold war was heating up and the space ...

In the early life of the Sun, when the Earth was newly formed, scientists believe that the ... ago global temperatures were about 2,63OK," Carl Sagan and George Mullen wrote, turning their ...

Lisa Kaltenegger, who currently directs the Carl Sagan Institute at Cornell ... we use to find evidence of life beyond our planet. Scientists have been looking for signs of life out there for ...

Astronomer and astrophysicist Frank Drake designed the map, working with fellow astronomer Carl Sagan and artist and writer Linda Salzman Sagan. The starburst-like diagram is called a pulsar map ...