Tag: Carl Sagan
What the Voyager space probes can teach humanity about immortality and...
James Edward Huchingson, Florida International University
Voyager 1 is the farthest human-made object from Earth. After sweeping by Jupiter,...
Are we alone? The question is worthy of serious scientific study
Kevin Knuth, University at Albany, State University of New York
Are we alone? Unfortunately, neither of the answers feel satisfactory. To be alone in this...
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The sun won’t die for 5 billion years, so why do...
By Jillian Scudder, University of Sussex
In a few billion years, the sun will become a red giant so large that it will engulf our...
