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Kardashev scale - Wikipedia
https://en.wikipedia.org/wiki/Kardashev_scale
Extraterrestrial life
What Do Alien Civilizations Look Like? The Kardashev Scale - YouTube
https://www.youtube.com/watch?v=rhFK5_Nx9xY
Extraterrestrial life
The Fermi Paradox II — Solutions and Ideas – Where Are All The Aliens? - YouTube
https://www.youtube.com/watch?v=1fQkVqno-uI
Extraterrestrial life
The Fermi Paradox — Where Are All The Aliens? (1/2) - YouTube
https://www.youtube.com/watch?v=sNhhvQGsMEc
Extraterrestrial life
Why We Should NOT Look For Aliens - The Dark Forest - YouTube
https://www.youtube.com/watch?v=xAUJYP8tnRE
Extraterrestrial life
Unknown space object beams out radio signals every 18 minutes - CNN
https://www.cnn.com/2022/01/26/world/unusual-space-object-transient-scn/index.html
Extraterrestrial life
Could humans be the dominant species in the Universe? - BBC Science Focus Magazine
https://www.sciencefocus.com/space/science-of-dune-humans-evolve/
Extraterrestrial life
Scientists Say There May Be “Humans” All Over the Universe
https://futurism.com/scientists-humans-universe
Extraterrestrial life
[2012.07902] A Statistical Estimation of the Occurrence of Extraterrestrial Intelligence in the Milky Way Galaxy
https://arxiv.org/abs/2012.07902
Milky Way
Extraterrestrial life
NASA funds SETI study to scan exoplanets for alien "technosignatures"
https://newatlas.com/space/nasa-exoplanet-seti-alien-technosignatures/
Extraterrestrial life
Opinion | Aliens Must Be Out There - The New York Times
https://www.nytimes.com/2021/02/11/opinion/aliens-extraterrestrial-life.html
Extraterrestrial life
Scientific skepticism
Oumuamua
Was That a Dropped Call From ET? - The New York Times
https://www.nytimes.com/2020/12/31/science/radio-signal-extraterrestrial.html
Extraterrestrial life
Scientists looking for aliens investigate radio beam 'from nearby star' | Space | The Guardian
https://www.theguardian.com/science/2020/dec/18/scientists-looking-for-aliens-investigate-radio-beam-from-nearby-star
Parkes telescope
Extraterrestrial life
Home page news - Mammal cells could struggle to fight space germs - University of Exeter
https://www.exeter.ac.uk/news/homepage/title_807010_en.html
Extraterrestrial life