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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
  • Hi-Tech
    • A.I.
    • Robots
  • Healh
  • Lifestyle
    • Sport
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  • Environment
    • ClimateChange
  • Biology
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Headlines
  • Scenic view of waterfall

    When lakes lose their winter pulse: Climate change and the hidden Nitrogen story

    May 27, 2026May 27, 2026
  • 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
  • Latest
  • Popular

When lakes lose their winter pulse: Climate change and the hidden Nitrogen story

May 27, 2026May 27, 2026

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

    A giant, scorching-hot planet may be orbiting the star Vega

    Gerd DaniMarch 15, 2021March 28, 20260

    Astronomers have discovered new hints of a giant, scorching-hot planet orbiting Vega, one of the brightest stars in the night…

    Read More

      The Amazon May Now Actually Be Making Climate Change Worse

      Gerd DaniMarch 15, 2021March 28, 20260

      It’s no secret that the world’s largest tropical rainforest, the Amazon, is under immense pressure, nearing an ecological tipping point…

      Read More

        M64 Galaxy

        Gerd DaniMarch 14, 2021March 28, 20260

        M64 is a spiral galaxy 17 million light years away from Earth, visible in the constellation Coma Berenices. This galaxy…

        Read More

          Did you know that a crater on Planet Mercury is named John Lennon?

          Gerd DaniMarch 14, 2021March 28, 20260

          Well yes, the things that one finds out!!  Mercury Crater was dubbed “John Lennon”. NASA recently revealed that one of the…

          Read More

            What Is Pi?

            Gerd DaniMarch 14, 2021March 28, 20260

            Pi is a constant describing the ratio between a circle’s circumference and its diameter. It is an irrational number usually…

            Read More

              Are magnetic fields the key to black hole activity?

              Gerd DaniMarch 14, 2021March 28, 20260

              Collimated jets provide astronomers with some of the most powerful evidence that a supermassive black hole lurks in the heart…

              Read More

                A New Theory On Time Indicates Present And Future Exist Simultaneously

                Gerd DaniMarch 14, 2021March 28, 20260

                The box Universe theory describes “now” as an arbitrary place in time and states that the past, the future and…

                Read More

                  Two worlds , One sun

                  Gerd DaniMarch 13, 2021March 28, 20260

                  The surface of the Earth is covered by more than 70% of water: it is therefore not surprising that it…

                  Read More

                    How does GPS work?

                    Gerd DaniMarch 13, 2021March 28, 20260

                    The Global Positioning System, better known as GPS, has come to affect countless aspects of our daily lives, from directing…

                    Read More

                      What is the Anthropic Principle?

                      Gerd DaniMarch 13, 2021March 28, 20260

                      In his 1988 book ‘A Brief History of Time’ the British theoretical physicist Stephen Hawkins (1942-2018) stated: ‘The laws of…

                      Read More
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