We address the possibility that intelligent civilisations that destroy themselves could present signatures observable by humanity. Placing limits on the number of self-destroyed civilisations in the Milky Way has strong […]
SETI & Technosignatures
Posted inSETI & Technosignatures
Observational Signatures of Self-Destructive Civilizations
We address the possibility that intelligent civilisations that destroy themselves could present signatures observable by humanity. Placing limits on the number of self-destroyed civilisations in the Milky Way has strong […]
Posted inPress Release, SETI & Technosignatures
SETI via Leakage from Light Sails in Exoplanetary Systems
The primary challenge of rocket propulsion is the burden of needing to accelerate the spacecraft’s own fuel, resulting in only a logarithmic gain in maximum speed as propellant is added […]
Posted inPress Release, SETI & Technosignatures
Application of Mid-IR radio correlation to The G^ sample and Search for Advanced Extraterrestrial Civilisations
Wright et al. 2014 have embarked on a search for advanced Karadashev Type III civilisations via the compilation of a sample of sources with extreme mid-IR emission and colours. In […]
Posted inPress Release, SETI & Technosignatures
Extragalactic SETI: Tully-Fisher Relation as Probe of Dysonian Astroengineering in Disk Galaxies
If advanced extraterrestrial civilizations choose to construct vast numbers of Dyson spheres to harvest radiation energy, this could affect the characteristics of their host galaxies. Potential signatures of such astroengineering […]
Posted inPress Release, SETI & Technosignatures
$100 Million Search for Extraterrestrial Intelligence Announced
The Breakthrough Prize Foundation and its founder, internet investor Yuri Milner, have signed a contract with the University of California, Berkeley, to lead a major escalation in the search for […]
Posted inPress Release, SETI & Technosignatures
Search for Advanced Civilizations Finds Nothing Obvious
After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA’s WISE orbiting observatory has found no evidence of advanced civilizations in […]
Posted inPress Release, SETI & Technosignatures
Instrument Extends Search for Extraterrestrial Intelligence to New Realms
Astronomers have expanded the search for extraterrestrial intelligence into a new realm with detectors tuned to infrared light. Their new instrument has just begun to scour the sky for messages […]
Posted inSETI & Technosignatures
Searching for Extraterrestrial Intelligence with the Square Kilometre Array
The vast collecting area of the Square Kilometre Array (SKA), harnessed by sensitive receivers, flexible digital electronics and increased computational capacity, could permit the most sensitive and exhaustive search for […]
Posted inIntelligence & Language, Press Release, SETI & Technosignatures, Societal Issues
Workshop Ponders Challenges of Communicating Across the Cosmos
When astronomers conducting the search for extraterrestrial intelligence (SETI) find other cultures in the universe, could we understand their messages?