https://www.universetoday.com/articles/advanced-civilizations-will-overheat-their-planets-within-1000-years
Advanced Civilizations Will Overheat Their Planets Within 1,000 Years - Universe Today
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https://www.gaia.com/topic/ancient-civilizations-decoded?page=6
Ancient Advanced Civilizations Mysteries: Films & Series | Gaia
See our collection of videos on ancient advanced civilizations' mysteries. Learn about the latest discoveries, from possible alien technologies to decoding...
advanced civilizationsancientmysteriesfilmsseries
https://arxiv.org/abs/astro-ph/0501119
[astro-ph/0501119] Expanding advanced civilizations in the universe
Abstract page for arXiv paper astro-ph/0501119: Expanding advanced civilizations in the universe
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https://www.space.com/3689-stars-ideal-advanced-civilizations.html
Really Old Stars Perhaps Ideal for Advanced Civilizations | Space
Apr 12, 2007 - In the near future, with the launch of NASA's Kepler Mission in 2008, we'll have the tools to seek evidence of Earth-size planets in the habitable zone of...
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https://www.abebooks.com/9781591431077/Advanced-Civilizations-Prehistoric-America-Lost-1591431077/plp
Advanced Civilizations of Prehistoric America: The Lost Kingdoms of the Adena, Hopewell,...
The examination of four great civilizations that existed before Columbus?s arrival in North America offers evidence of sustained contact between the Old and...
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https://futurism.com/do-advanced-alien-civilizations-exist-astrobiologists-provide-a-new-take-on-drakes-equation
Do Advanced Alien Civilizations Exist? Astrobiologists Provide a New Take on Drake's Equation
Dramatic advancements in our understanding of the cosmos have changed the way scientists interpret the Drake equation. So what does this mean for alien life?