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SETI Live

SETI Live

Written by: SETI Institute
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SETI Live is a weekly production of the SETI Institute and is recorded live on stream with viewers on YouTube, Facebook, LinkedIn, X (formerly known as Twitter), and Twitch. Guests include astronomers, planetary scientists, cosmologists, and more, working on current scientific research. Founded in 1984, the SETI Institute is a non-profit, multi-disciplinary research and education organization whose mission is to lead humanity's quest to understand the origins and prevalence of life and intelligence in the Universe and to share that knowledge with the world.2023-2026 Astronomy & Space Science Nature & Ecology Science
Episodes
  • Galactic Islands of Tranquility: How "Little Red Dots" May Brew Life's Building Blocks
    May 6 2026

    A newly identified class of distant galaxies—nicknamed "little red dots"—may be doing something extraordinary: quietly creating the raw ingredients for life.

    Join host Dr. Simon Steel as we explore groundbreaking new research from Dr. Remo Ruffini and Dr. Yu Wang from the International Center for Relativistic Astrophysics Network (ICRANet), suggesting that these compact, enigmatic galaxies could act as "molecular islands," forming complex organic molecules in environments surprisingly calm compared to the chaotic early universe.

    - What makes these galaxies so special?
    - How can such small, distant objects produce life's building blocks?
    - And what does this mean for the possibility that life's chemistry is widespread across the cosmos?

    We'll break down the science behind these "galactic oases," how they were discovered, and why they may reshape how we think about the origins of life in the universe.

    Press release (pdf): https://www.icranet.org/LRDs-Molecular-Islands-Press-Release.pdf

    Paper: https://iopscience.iop.org/article/10.3847/2041-8213/ae3a76

    (Recorded live 30 April 2026.)

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    38 mins
  • The 45 Best Places to Look for Alien Life
    Apr 28 2026

    Where should we actually be looking for life beyond Earth?

    Astronomers have identified 45 Earth-like worlds that could be among the most promising places to search for biosignatures—chemical signs of life in distant atmospheres. Inspired by the idea of a real-life "Project Hail Mary," this research helps narrow the search for habitable planets and guides future telescopes toward the most compelling targets.

    Join SETI Institute planetary astronomer Dr. Franck Marchis and guests Dr. Lisa Kaltenegger and Abigail Bohl from Cornell University as they explore:

    - How scientists define an "Earth-like" world
    - What makes a planet a strong candidate for life
    - How these 45 planets were selected
    - What telescopes, like the James Webb Space Telescope, can (and can't) detect
    - What this means for the future of SETI and exoplanet exploration

    Are we closer than ever to finding life—or just getting better at knowing where to look?

    Press release: https://ras.ac.uk/news-and-press/research-highlights/best-places-look-alien-life-scientists-identify-45-earth-worlds

    Paper: https://academic.oup.com/mnras/article/547/3/stag028/8526432

    (Recorded live 17 April 2026.)

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    37 mins
  • SkyMapper is Live! Explore the Sky in Real Time
    Apr 14 2026

    Join us for a special episode of SETI Live as host Lauren Sgro sits down with astronomer and entrepreneur Franck Marchis to explore the newly launched SkyMapper platform—now open to the public.

    SkyMapper is a global, decentralized network of telescopes and all-sky sensors that connects professional observatories, citizen scientists, and classrooms around the world. In this live, interactive session, Lauren and Franck will go beyond the basics and show how SkyMapper works in real time—from navigating the interface and accessing live sky data to triggering observations and joining active discoveries.

    We'll talk about what this launch means for the future of astronomy, how people are already using the platform, and why a continuously connected view of the sky could transform research, education, and public participation in science. We'll also highlight the SETI Institute's role in building this new global observing network.

    ✨ Ready to explore the universe yourself? This is your chance to see SkyMapper in action—and learn how to get involved.

    📚 Learn more: www.skymapper.io

    👋 Join the community: https://t.me/skymapper_community

    (Recorded live 13 April 2026.)

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    45 mins
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