Extraterrestrial civilizations might place large, lightweight mirrors into orbit around an exoplanet, either to alter its climate or to provide illumination to the planet’s dark side. We previously analyzed the […]
Intelligence
Posted inAstrobiology (general), Education and Outreach, Intelligence & Language, Policy, Press Release, SETI & Technosignatures
Updated Rules for Evaluating and Revealing the Detection of Extraterrestrial Intelligence
The IAA SETI Committee announced today updated rules for evaluating and revealing the detection of extraterrestrial intelligence.
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Comets and Asteroids, Imaging & Spectroscopy, Intelligence & Language, Interstellar, Press Release, SETI & Technosignatures
SETI Institute Looks for Signs of Technology in Interstellar Visitor 3I/ATLAS
Scientists at the SETI Institute searched for technological signals from 3I/ATLAS, the third interstellar object observed in our Solar System.
Posted inIntelligence & Language, Interstellar, Origin & Evolution of Life, SETI & Technosignatures, Status Report
Algorithmic Bottlenecks In Evolution: Genetic code, Symbolic Language, And The GreatFilter Hypothesis
The Great Filter hypothesis proposes that the emergence of technological societies capable of interstellar travel depends on a small number of exceptionally hard and highly improbable steps.
Posted inAstronomy & Telescopes, Conferences and Meetings, Intelligence & Language, Interstellar, Nanotechnology & SynBio, Press Release, SETI & Technosignatures
The Dyson Minds 2025 Workshop: SETI around Black Holes
The Dyson Minds 2025 Workshop, held at the Center for Brains, Minds & Machines at MIT and organized by Penn State, MIT, and The Ultraintelligence Foundation, brought together researchers in […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
Broadband SETI: A New Strategy To Find Nearby Alien Civilizations
One of the most interesting questions that astronomy can hope to answer is: are we alone in our Milky Way galaxy?
Posted inBiosignatures & Paleobiology, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
Stellar Engines And Dyson Bubbles Can Be Stable
A range of speculative space ventures envisage the use of ultra-large structures for the collection and reflection of light.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Habitable Zones, Imaging & Spectroscopy, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
Rotational Doppler Cartography Of Technosignatures On Unresolved Planets
The discovery of many Earth-like planets has renewed interest in whether life and technological civilizations exist elsewhere.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
Undetected Past Contacts With Technological Species: Implications For Technosignature Science
In the search for extraterrestrial intelligence (SETI), the highly incomplete sampling of the technosignature search space is often considered as a plausible explanation for the persistent lack of detections over […]
Posted inAI - Data - Apps - Cybernetics, Intelligence & Language, Press Release, SETI & Technosignatures, Societal Issues, Tricorders & Sensors, Water/Hycean Worlds & Oceanography
SETI/CETI Tricorder Tech: Tapping Into Whale Talk
Say you want to listen in on a group of super-intelligent aliens whose language you don’t understand, and whose spaceship only flies by Earth once an hour. It’s not unlike […]