Scientists have identified a promising new way to detect life on faraway planets, hinging on worlds that look nothing like Earth and gases rarely considered in the search for extraterrestrials.

In a new Astrophysical Journal Letters paper, researchers from the University of California, Riverside, describe these gases, which could be detected in the atmospheres of exoplanets—planets outside our solar system—with the James Webb Space Telescope, or JWST.

Called methyl halides, the gases comprise a methyl group, which bears a carbon and three hydrogen atoms, attached to a halogen atom such as chlorine or bromine. They’re primarily produced on Earth by bacteria, marine algae, fungi, and some plants.

Blog post with audio player, show notes, and transcript: https://www.preposterousuniverse.com/podcast/2019/06/17/epis…formation/

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Cosmologists have a standard set of puzzles they think about: the nature of dark matter and dark energy, whether there was a period of inflation, the evolution of structure, and so on. But there are also even deeper questions, having to do with why there is a universe at all, and why the early universe had low entropy, that most working cosmologists don’t address. Today’s guest, Anthony Aguirre, is an exception. We talk about these deep issues, and how tackling them might lead to a very different way of thinking about our universe. At the end there’s an entertaining detour into AI and existential risk.

Anthony Aguirre received his Ph.D. in Astronomy from Harvard University. He is currently associate professor of physics at the University of California, Santa Cruz, where his research involves cosmology, inflation, and fundamental questions in physics. His new book, Cosmological Koans, is an exploration of the principles of contemporary cosmology illustrated with short stories in the style of Zen Buddhism. He is the co-founder of the Foundational Questions Institute, the Future of Life Institute, and the prediction platform Metaculus.

This is some wild stuff o.o. As much is unknown about this universe I still think this phenomenon is more exterrestial possibly even from the grand architect like god or some alien species that is either moving a black hole spaceship or some sorta wormhole expansion for alien transportation or could be even god due its nature as his vehicle the Ezekiel wheel was spotted near Venus in 2020. Still is an unknown threat whether it is an actual threat is still unknown. If it is a threat theoretically we could evaporate the black hole though but this would require large amounts of energy maybe even Higgs bosons somehow.

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

The star cluster in question is called Palomar 5. It’s a stellar stream that stretches out across 30,000 light-years, and is located around 80,000 light-years away.

Such globular clusters are often considered ‘fossils’ of the early Universe. They’re very dense and spherical, typically containing roughly 100,000 to 1 million very old stars; some, like NGC 6397, are nearly as old as the Universe itself.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have identified two stars responsible for generating carbon-rich dust a mere 5,000 light-years away in our own Milky Way galaxy. As the massive stars in Wolf-Rayet 140 swing past one another on their elongated orbits, their winds collide and produce the carbon-rich dust. For a few months every eight years, the stars form a new shell of dust that expands outward — and may eventually go on to become part of stars that form elsewhere in our galaxy.

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed across the Universe. Now, the James Webb Space Telescope has examined one ongoing source of carbon-rich dust in our own Milky Way galaxy in greater detail: Wolf-Rayet 140 [1], a system of two massive stars that follow a tight, elongated orbit.

As they swing past one another (within the central white dot in the Webb images), the stellar winds from each star slam together, the material compresses, and carbon-rich dust forms. Webb’s latest observations show 17 dust shells shining in mid-infrared light that are expanding at regular intervals into the surrounding space.

In anticipation for my next public lecture, the organizer requested the title of my lecture. I suggested: “Hunting for Aliens.” The organizer expressed concern that some members of the audience might confuse me for a U.S. government employee in search of illegal aliens near the southern border wall. I explained that no two-dimensional wall erected on Earth would protect us from extraterrestrials because they will arrive from above. It is just a matter of time until we notice interstellar travelers arriving without a proper visa. A policy of deporting them back to their home exoplanet will be expensive — over a billion dollars per flight. The trip will also take a long time — over a billion years with conventional chemical propulsion. We will have to learn how to live with these aliens, and promote diversity and inclusion in a Galactic context.

The Sun formed in the last third of cosmic history, so we are relatively late to the party of interstellar travelers. Experienced travelers might have been engaged in their interstellar journeys for billions of years. To properly interpret their recorded diaries and photo albums in terms of the specific stars they visited, we would need to accurately interpret their time measurements.

Imagine an interstellar tourist wearing a mechanical analog watch. Such a timepiece is at best accurate to within 3 seconds per day, or equivalently 30,000 years per billion years. This timing error is comparable to the amount of time it takes to hop from one star to another with chemical propulsion. Interstellar travelers must wear better clocks in order to have a reliable record of time.

New simulations suggest that habitable worlds could have begun forming only 200 million years after the big bang.

By Conor Feehly edited by Lee Billings

Scientists today are quite sure about how long our universe has existed: it’s been 13.8 billion years, give or take 59 million years, since the cosmos burst into being via the big bang. But they’re much less certain about a related question: When could life have first arisen, somewhere out there? Our solar system formed a mere 4.6 billion years ago, after two thirds of cosmic time had already elapsed, and life seems to have happened here almost as soon as Earth cooled down from its fiery birth to harbor oceans of liquid water.

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Are Bacteria the secret to solving one of science’s biggest paradoxes – and discovering why we haven’t seen extraterrestrial life?Please join my mailing list…

“Information and the Nature of Reality: From Physics To Metaphysics” by Paul Davies and Niels Henrik Gregersen Book Link: https://amzn.to/41GMVl6 (Affiliate link: If you use this link to buy something, I may earn a commission at no extra cost to you.) Playlist: • Two AI’s Discuss: The Quantum Physics… This collection of essays, “Information and the Nature of Reality,” explores the evolving role of information from physics to metaphysics. It examines how the concept of matter has shifted historically, particularly with advances in quantum physics, and considers materialism’s limitations as a worldview. The texts propose that information may be as fundamental as matter and energy in understanding the universe, investigating its influence on biology, consciousness, and computation. Several contributions consider the theological implications, pondering God as an ultimate source of information and discussing the relationship between divine action and natural processes. Ultimately, the text argues for interdisciplinary dialogue between science, philosophy, and theology to form an adequate theory of the natural world. • Paul Davies and Niels Henrik Gregersen in the introduction introduce the central question of whether information matters in understanding reality, setting the stage for the book’s interdisciplinary exploration. • Ernan McMullin traces the historical evolution of the concept of matter in philosophy and its relationship to physics in his essay. • Philip Clayton in his contribution, Unsolved dilemmas: the concept of matter in the history of philosophy and in contemporary physics, explores the persistent challenges and transformations in understanding matter across philosophical history and modern physics. • Paul Davies in Universe from bit discusses the idea that the universe may fundamentally be based on information. • Seth Lloyd in The computational universe presents the concept of the universe as a vast quantum computer. • Henry Stapp in Minds and values in the quantum universe examines the role of consciousness and values within the framework of quantum mechanics. • John Maynard Smith in The concept of information in biology investigates the application and implications of information concepts within biological systems, particularly in genetics and evolution. • Terrence W. Deacon in What is missing from theories of information? argues that the crucial aspect of information is its inherent reference to something absent. • Bernd-Olaf Küppers in Information and communication in living matter explores the semantic dimensions of information and its fundamental role in biological processes. • Jesper Hoffmeyer in Semiotic freedom: an emerging force proposes a biosemiotic perspective, emphasizing the importance of signs and interpretation in understanding life. • Holmes Rolston, III in Care on Earth: generating informed concern examines the evolutionary basis and significance of caring and concern in the natural world. • Arthur Peacocke in The sciences of complexity: a new theological resource? explores how the sciences of complexity can offer new insights for theological understanding. • Keith Ward in God as the ultimate informational principle posits that God can be understood as the fundamental source and sustainer of information in the universe. • John F. Haught in Information, theology, and the universe explores the relationship between information, theology, and our understanding of the cosmos. • Niels Henrik Gregersen in God, matter, and information: towards a Stoicizing Logos Christology proposes a theological framework that integrates the concepts of God, matter, and information, drawing on Stoic philosophy and Christian theology. #InformationReality #PhysicsMetaphysics #NatureOfReality #QuantumInformation #BiologicalInformation #PhilosophyOfScience #ScienceAndTheology #CosmicInformation #OriginOfLife #UltimateReality #MeaningOfInformation #ComplexSystems #HistoryOfScience #Interdisciplinary #SciencePhilosophy #deepdive #skeptic #podcast #synopsis #books #bookreview #ai #artificialintelligence #booktube #aigenerated #history #alternativehistory #aideepdive #ancientmysteries #hiddenhistory #futurism #videoessay

Dr. Michael Levin’s groundbreaking research redefines intelligence, agency, and selfhood, showing that it exists not just in brains but across all levels of biological systems—cells, organs, and entire organisms. Through his concept of the “morphogenetic code,” Levin reveals that bioelectric signals, not just DNA, guide cellular organization and behavior, enabling profound regenerative breakthroughs like limb regrowth and functional organ creation. His work extends into philosophy, reshaping how we view alien life, selfhood, and even the nature of existence by framing life as an emergent property of interconnected intelligences. Levin envisions tools like an “anatomical compiler” to revolutionize medicine and challenges us to rethink life, intelligence, and the cosmos, solidifying his place as one of the most important living scientists.

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