Carl Sagan, the beloved American astronomer, philosopher and educator, continues to shed light, 25 years after his death on December 20, 1996, on the state of society, politics, and our species ...

Samuel Sagan, the 5-year-old son of the late astronomer Carl Sagan views a large color photo of the planet Mars at Planetfest 97 in Pasadena, California, July 5, 1997. Reuters Famed astronomer ...

Carl Sagan was a scientist and educator best known for his TV series Cosmos, ... he contracted pneumonia, which led to his death on Dec. 20, 1996, at age 62. ... Carl Sagan Quotes and Book Excerpts ...

Through his poetic, inspirational words, late astronomer Carl Sagan helped us realize that life on Earth is a precious gift. Here, we've paired the latest photos by the revolutionary Hubble Space ...

Beloved astronomer Carl Sagan made a prescient prediction about a populist "charlatan" that seems to have come true some 20 ...

Before his death in 1996, Carl Sagan was likely the most famous living scientist. A pioneer in space exploration and in the search for extraterrestrial intelligence, he spent his life probing ideas ...

Following Sagan's death in 1997, Ithaca's Sciencenter created the Sagan Planet Walk in the astronomers honor a 1.2 kilometer model of the Solar System on a 1 to 5 billion scale, crossing through ...

Carl Sagan once said that our bodies are "made of star stuff." In a new video astrophysicist Suzanna Randall explains what that quote actually means and where the elements in our body come from.

In a 1996 interview with journalist Charlie Rose, filmed just a few months before his death at the end of that year, Sagan stressed the importance of public science education and pointed out that ...