The Search for Extraterrestrial Intelligence (SETI) has evolved considerably in the past 60 years since the first experiment was conducted. This was Project Ozma, which was conducted in 1960 by Dr. Frank Drake and his colleagues ...
Astronomy
Nov 6, 2023
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16
The search for radio signals from extraterrestrial civilizations has yet to yield evidence of alien technological activity. Research carried out at EPFL suggests we continue searching while optimizing the use of available ...
Astronomy
Apr 28, 2023
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264
Imagine that you live alone in a dark, hilly wood that stretches for miles in all directions. You know your own forest well, having hiked and surveyed it as far as your feet and your tools allow. In all these explorations, ...
Astronomy
Feb 15, 2023
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10
When pondering the probability of discovering technologically advanced extraterrestrial life, the question that often arises is, "if they're out there, why haven't we found them yet?" And often, the response is that we have ...
Astronomy
Jan 30, 2023
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144
In a recent paper submitted to The Astronomical Journal in November 2022, a scientist at the Swiss Federal Institute of Technology Lausanne quantifies how the Earth has not heard a radio signal from an extraterrestrial technological ...
Astronomy
Jan 30, 2023
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If an alien were to look at Earth, many human technologies—from cell towers to fluorescent light bulbs—could be a beacon signifying the presence of life.
Astronomy
Oct 21, 2022
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38
Communications across the vastness of interstellar space could be enhanced by taking advantage of a star's ability to focus and magnify communication signals. A team of graduate students at Penn State is looking for just ...
Astronomy
Jul 6, 2022
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239
In the decades-long search for extraterrestrial intelligence, there has never been confirmed evidence of an alien signal. There have, however, been a few tantalizing mysteries. Perhaps the greatest of these is known as the ...
Astronomy
Jun 23, 2022
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69
In 1977, the Big Ear Radio Telescope at Ohio State University picked up a strong narrowband signal from space. The signal was a continuous radio wave that was strong in intensity and frequency and had many expected characteristics ...
Astronomy
Jun 16, 2022
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458
The Drake equation is one of the most famous equations in astronomy. It has been endlessly debated since it was first posited in 1961 by Frank Drake, but so far has served as an effective baseline for discussion about how ...
Astronomy
Apr 26, 2022
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