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FreeAstroScience logo with a glowing star, open book, and Earth on a space-themed circular badge with the tagline Igniting Curiosity for free astronomy science education

FreeAstroScience

  • Home
  • Astronomy
    • AstroPhysics
    • Cosmology
    • Exploration
  • Physics
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Headlines
  • Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

    Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

    May 27, 2026May 27, 2026
  • Mercury's polar water ice: new models suggest a larger, slower impact source

    Mercury’s polar water ice: new models suggest a larger, slower impact source

    May 26, 2026May 26, 2026
  • xray woman doing biceps curls

    New Cell Therapy Offers Hope for Advanced Liver Disease Patients

    May 25, 2026May 25, 2026
  • Dark matter investigations: quantum limits and the classical field behavior of axions

    Dark matter investigations: quantum limits and the classical field behavior of axions

    May 25, 2026May 25, 2026
  • Shenzhou-23: paving the path to lunar and Martian expeditions

    Shenzhou-23: paving the path to lunar and Martian expeditions

    May 25, 2026May 25, 2026
  • gerd on plane

    Why Do Ears Pop on Planes? The Truth Nobody Told You

    May 24, 2026May 24, 2026
  • Sun emitting golden light rays across all eight planets of the solar system showing light travel time from Mercury to Neptune

    How Long Does Light Take to Cross Our Solar System?

    May 24, 2026May 24, 2026
  • NGC 5584 barred spiral galaxy in Virgo with purple star-forming arms and bright foreground stars

    Can NGC 5584 Prove the Universe Expands Too Fast?

    May 24, 2026May 24, 2026
  • Scale comparison of UY Scuti hypergiant (1.26 billion km) dwarfing Earth's orbit (300 million km) and the Sun (1.39 million km).

    How Big Is UY Scuti? Could This Star Swallow Our Solar System?

    May 23, 2026May 23, 2026
  • Chincha Valley

    Ancient DNA reveals coastal migration centuries before the Inca

    May 23, 2026May 23, 2026
  • Latest
  • Popular

Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

May 27, 2026May 27, 2026

Mercury’s polar water ice: new models suggest a larger, slower impact source

May 26, 2026May 26, 2026

New Cell Therapy Offers Hope for Advanced Liver Disease Patients

May 25, 2026May 25, 2026

Dark matter investigations: quantum limits and the classical field behavior of axions

May 25, 2026May 25, 2026

    Warm Water Under The ‘Doomsday Glacier’ Threatens to Melt It Faster Than Predicted

    Gerd DaniApril 11, 2021March 28, 20260

    A confluence of warm water is threatening to topple the very pillars that keep the ‘Doomsday Glacier’ afloat. The first…

    Read More

      All about the Messier 94 galaxy

      Gerd DaniApril 11, 2021March 28, 20260

      Messier 94 (abbreviated to M94 and also known as NGC 4736) is a spiral galaxy, located at a distance of…

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        Planetary nebula-Sh2-216L

        Gerd DaniApril 10, 2021March 28, 20260

        Sh2-216 is one of the closest planetary nebulae to us, with a distance of 420 light years. It is also…

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          Research reveals secret to Jupiter’s curious aurora activity

          Gerd DaniApril 10, 2021March 28, 20260

          Auroral displays continue to intrigue scientists, whether the bright lights shine over Earth or over another planet. The lights hold…

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            Arp 78 galaxy

            Gerd DaniApril 9, 2021March 28, 20260

            Arp 78 (also known as NGC 772 and PGC 7525) is a spiral galaxy, located at a distance of around…

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              String theory solves the mystery of the behavior of photons around a black hole

              Gerd DaniApril 9, 2021March 28, 20260

              A paper by the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) Director Ooguri Hirosi and…

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                What is Quantum Tunnelling?

                Gerd DaniApril 8, 2021March 28, 20260

                Quantum tunnelling is the quantum mechanical phenomenon where a wavefunction can propagate through a potential barrier. The effect was predicted…

                Read More

                  Something Is Killing Trees, Creating ‘Ghost Forests’ Along The Atlantic Coast

                  Gerd DaniApril 8, 2021March 28, 20260

                  Trekking out to my research sites near North Carolina’s Alligator River National Wildlife Refuge, I slog through knee-deep water on…

                  Read More

                    The Red Square Nebula

                    Gerd DaniApril 8, 2021March 28, 20260

                    The Red Square Nebula (also known as MWC 922 and IRAS 18184-1302) is a nebula in the constellation of Serpens….

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                      Dark Energy Survey: physicists open new window into dark energy

                      Gerd DaniApril 8, 2021March 28, 20260

                      The universe is expanding at an ever-increasing rate, and while no one is sure why, researchers with the Dark Energy…

                      Read More
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