As Carl Sagan famously said, "We're made of star stuff"—but how do stars distribute their essential "stuff" for life into space? NASA's telescope on an airplane, SOFIA, is finding some answers by watching pulsating stars ...
Astronomy
Aug 6, 2020
0
8
People have long dreamed of re-shaping the Martian climate to make it livable for humans. Carl Sagan was the first outside of the realm of science fiction to propose terraforming. In a 1971 paper, Sagan suggested that vaporizing ...
Space Exploration
Jul 15, 2019
13
2540
The Planetary Society's LightSail 2 spacecraft is ready to embark on a challenging mission to demonstrate the power of sunlight for propulsion.
Space Exploration
May 14, 2019
0
151
Are we alone? Forty years ago, NASA rocket scientists sought to answer this question by launching the Voyager spacecraft, twin unmanned spaceships that would travel further than any human-made object in history.
Space Exploration
Aug 27, 2017
6
2458
Establishing a sustained human presence somewhere other than Earth is a vital part of humanity's future, no matter what. We know that Earth won't last forever. We don't know exactly which one of the many threats that Earth ...
Space Exploration
Nov 15, 2016
3
23
News of anti-vaxxer movements, demands to teach creationism in schools as science, and dubious claims for the health-giving properties of strange diets is enough to make you wonder if some people have forgotten or forsaken ...
Social Sciences
Jun 4, 2015
171
441
The concept of LightSail—spacecraft designed to propel through space on beams of sunlight— pushed through by nothing but the pressure of sunlight—has been around for years but this month made special news because the ...
The Cornell University institute searching for signs of life among the billions and billions of stars in the sky is being named for—who else?—Carl Sagan.
Space Exploration
May 9, 2015
1
67
Reports about the worthy contributions of science to national economies pop up regularly all around the world – from the UK to the US and even the developing world.
Social Sciences
Apr 16, 2015
0
10
It's become a kind of legend, like Newton and the apple or George Washington and the cherry tree. One day in 1950, the great physicist Enrico Fermi sat down to lunch with colleagues at the Fuller Lodge at Los Alamos National ...
Astronomy
Apr 8, 2015
16
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