(Phys.org) —A laboratory experiment at NASA's Jet Propulsion Laboratory, Pasadena, Calif., simulating the atmosphere of Saturn's moon Titan suggests complex organic chemistry that could eventually lead to the building blocks ...
Space Exploration
Apr 3, 2013
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The Kepler mission enabled the discovery of thousands of exoplanets, revealing a deep truth about our place in the cosmos: There are more planets than stars in the Milky Way galaxy. The road to this fundamental change in ...
Space Exploration
Mar 6, 2024
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29
In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist Enrico Fermi asked the question that launched a hundred (or more) proposed resolutions. "Where is Everybody?"
Astronomy
Jan 3, 2024
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118
It's been 30 years since a group of scientists led by Carl Sagan found evidence for life on Earth using data from instruments on board the Nasa Galileo robotic spacecraft. Yes, you read that correctly. Among his many pearls ...
Astrobiology
Oct 23, 2023
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73
In 1960, Freeman Dyson proposed how advanced civilizations could create megastructures that enclosed their system, allowing them to harness all of their star's energy and multiplying the habitable space they could occupy. ...
Astrobiology
Sep 26, 2023
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Every day seems to bring news of multiplying ecological disasters—fires, floods, drought, deforestation, overfishing and coral reef die-offs.
Environment
Sep 6, 2023
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16
Adrift in a great sea of stars, we must surely not be alone.
Astronomy
Sep 1, 2023
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102
In 1980's popular book "Cosmos," Carl Sagan wrote of what makes us: "All the elements of the Earth except hydrogen and some helium have been cooked by a kind of stellar alchemy billions of years ago in stars, some of which ...
Astronomy
Oct 20, 2022
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59
When searching for Earth-like worlds around other stars, instead of looking for the "pale blue dot" described by Carl Sagan, new research suggests that a hunt for dry, cold "pale yellow dots" might have a better chance of ...
Astrobiology
Sep 20, 2022
2
522
Life on Venus, or the possibility thereof, has been a hot topic as of late. There's also been plenty of controversies, including the (still disputed) discovery of phosphine, a potential biomarker in the atmosphere. The best ...
Astrobiology
Sep 5, 2022
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60
