Star Trails: A Podcast About Cosmic Wonder

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Star Trails is a weekly astronomy podcast that begins in your backyard and expands outward to the edge of the universe.

Each episode features a guide to the night sky visible across North America — constellations, planets, moon phases, and celestial events — along with deeper explorations of the science, history, and perspective that make astronomy one of humanity’s greatest adventures.

From ancient skywatchers to modern spacecraft, from quiet stargazing to the violent deaths of stars, Star Trails reveals the beauty, mystery, and sometimes haunting reality of the cosmos.

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Latest Episodes

  • The Case of the Martian Meteorite

    The Case of the Martian Meteorite

    A rose-colored stone from the Sahara turns out to be a 4.1-billion-year-old meteorite from Mars, revealing clues to the Red Planet’s ancient crust, water, and extraordinary journey to Earth.

  • The Darkroom at the Edge of the Universe

    The Darkroom at the Edge of the Universe

    Step into David Malin’s darkroom and discover how photographic plates, chemistry and ingenious image processing revealed a hidden universe. Then explore the Moon, planets, Andromeda, the Double Cluster and the Pleiades in the night sky for November 1–7, 2026.

  • The Death of Andromeda

    The Death of Andromeda

    Andromeda is not disappearing, but new Hubble observations show that its star-forming ring is winding down. Explore the galaxy’s slow transformation, then head outside for Andromeda, the first-quarter Moon, Orionid meteors and the Moon beside Saturn.

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