Astrobiology is rewiring our understanding of the intimate connection between life and planets as they appear in the universe.
Planetary Sapience & Planetary Stupidity: a Bildungsroman for the Baby Noosphere | Antikythera
That is, the faculty of recollection and foresight? Until recently, I would argue, our planet was amnesiac. That is, no part of it was reflectively aware of the place of the present relative to the established past nor the expected future. But then peculiar animals emerged, capable—no matter how imperfectly—of cooperation, abstraction and invention. In the last blink of geologic time, through the collaboration of these animals with their increasingly cunning artifacts, this state of planetary amnesia has faltering begun being cured. That is, through our artifacts, our planet is becoming aware of its own unfolding biography. In our fallible attempts to model our world—alongside our growing legion of sensors—The Earth system has developed a way of recollecting its deepest past and tracking the changing complexities of its present so as to forecast its furthest future.
Intelligence as a planetary scale process
Conventionally, intelligence is seen as a property of individuals. However, it is also known to be a property of collectives. Here, we broaden the idea of intelligence as a collective property and extend it to the planetary scale. We consider the ways in which the appearance of technological intelligence may represent a kind of planetary scale transition, and thus might be seen not as something which happens on a planet but to a planet, much as some models propose the origin of life itself was a planetary phenomenon. Our approach follows the recognition among researchers that the correct scale to understand key aspects of life and its evolution is planetary, as opposed to the more traditional focus on individual species. We explore ways in which the concept may prove useful for three distinct domains: Earth Systems and Exoplanet studies; Anthropocene and Sustainability studies; and the study of Technosignatures and the Search for Extraterrestrial Intelligence (SETI). We argue that explorations of planetary intelligence, defined as the acquisition and application of collective knowledge operating at a planetary scale and integrated into the function of coupled planetary systems, can prove a useful framework for understanding possible paths of the long-term evolution of inhabited planets including future trajectories for life on Earth and predicting features of intelligentially steered planetary evolution on other worlds.
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Is this the meaning of life? | John Stewart
John Stewart: Developments in evolutionary theory suggest we have a central role to play in the future of the universe
Scientists Discover Planet Has Everything to Host ‘Earth-Like Life’ In Breakthrough
For the first time, scientists found that a rocky planet in the habitable zone of its star has an atmosphere. It’s the best place to look for alien biosignatures, scientists say.
All Possible Views About Humanity's Future Are Wild
If humans will eventually spread out across the galaxy, then we are among the earliest living beings, with remarkable opportunities to shape the future
Brandon Yates on Twitter / X
I wrote a cosmology paper that's under peer review.I can't post it to arXiv because I don't have a university affiliation.If any of you happen to have published in astro-ph. CO, gr-qc, or hep-ph and can endorse me, I'd owe you one.#AcademicTwitter #PhysicsTwitter #Cosmology…— Brandon Yates (@bmichaelyates) March 13, 2026
The Scientist Who Scrambled Darwin’s Tree of Life (Published 2018)
How the microbiologist Carl Woese fundamentally changed the way we think about evolution and the origins of life.
The Alien Space of Science: Sampling Coherent but Cognitively...
Scientific discovery is constrained not only by what is true, but by what is cognitively available to the researchers currently exploring a field. Many directions are coherent in light of the...
The Astrosky Ecosystem
We're building social media tools for the astronomy & space science communities. From feeds to hosting, we're billionaire-proofing scientific discussion for good.
The Philosophical Implications of the Second Scientific Revolution
Notes from my history of philosophy course lecture on Darwin, Maxwell, Einstein, and Bohr
We need more tiny knowledge projects—here’s one
Crowdsourcing dynamic illustrations for a new astronomy book by Terry Tao and Tanya Klowden. The other day I was reading the sample chapter of a new book by Terence Tao and Tanya Klowden, on the so-called cosmic distance ladder. It’s a lovely piece of writing. The chapter tells the story of how Johannes Kepler, using data collected by Tycho Brahe, solved the puzzle of planetary motion. It puts us in the discoverers’ shoes: instead of working backwards from Kepler’s equations, we work forwards from the inexp
The Origins Of <br>‘Planetary Realism’ And <br>‘Whole Earth’ Thinking | NOEMA
There is no escaping an interconnected world.
