One of the most profound discoveries in planetary science over the past 25 years is that worlds with oceans beneath layers of rock and ice are common in our solar system. Such worlds include the icy satellites of the giant ...
Astrobiology
Mar 16, 2021
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During the 1960s, Freeman Dyson and Nikolai Kardashev captured the imaginations of people everywhere by making some radical proposals. Whereas Dyson proposed that intelligent species could eventually create megastructures ...
Astronomy
May 16, 2017
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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
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108
The launch of the $100M Breakthrough Initiative project to Search for Extraterrestrial Intelligence (SETI) has been supported by many leading scientists including Stephen Hawking and astronomer royal Martin Rees. But there ...
Astronomy
Jul 23, 2015
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95
(PhysOrg.com)—Enrico Fermi, the famous Italian physicist, once asked the question; if intelligent life has come to exist many times in our galaxy, why is there no sign of it? It's a clearly valid point, when you consider ...
Searching for Dyson spheres, rings or swarms remains a preoccupation of many astronomers. If there are any out there, they will eventually be found, and the person or research team to do so will go down in history for making ...
Astronomy
May 10, 2022
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You've heard this story before. An advanced alien race comes to Earth. They offer peace and prosperity, but they hold a dark secret. One that could destroy humanity. That dark secret has varied over the years, from stealing ...
Astrobiology
Sep 21, 2023
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62
The Conversation organised a public question-and-answer session on Reddit in which Seth Shostak, senior astronomer at the SETI Institute, explained why searching for intelligent life is so important and why we may soon find ...
Space Exploration
Sep 1, 2014
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Enrico Fermi, when asked about intelligent life on other planets, famously replied, "Where are they?" Any civilisation advanced enough to undertake interstellar travel would, he argued, in a brief period of cosmic time, populate ...
Astronomy
Jun 10, 2014
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We have no good reason to believe that aliens have ever contacted Earth. Sure, there are conspiracy theories and some rather strange reports about harm to cattle, but nothing credible. Physicist Enrico Fermi found this odd. ...
Space Exploration
Apr 4, 2024
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