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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
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    • 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

    What are the Hot jupiters?

    Gerd DaniMay 4, 2021March 28, 20260

    Hot Jupiters are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter but that…

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      Dark matter could be destroying itself inside the bellies of exoplanets

      Gerd DaniMay 4, 2021March 28, 20260

      In the continuing search for dark matter in our universe, scientists believe they have found a unique and powerful detector:…

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        Finding Methone

        Gerd DaniMay 3, 2021March 28, 20260

        Methone is a small moon of Saturn that was discovered in 2004 from images taken by the Cassini spacecraft. In…

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          Sea Level Rise From Antarctic Melt Could Be 30% Higher Than We Thought

          Gerd DaniMay 3, 2021March 28, 20260

          The Antarctic ice sheet contains a global disaster waiting to happen. As global temperatures continue to rise due to anthropogenic…

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            The brightest planets in May’s night sky: How and When to see them

            Gerd DaniMay 3, 2021March 28, 20260

            Three planets adorn the evening sky and two in the predawn morning sky. In the evening, Mars continues to draw…

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              The Dumbbell Nebula, the first planetary nebula discovered

              Gerd DaniMay 2, 2021March 28, 20260

               The Dumbbell Nebula is being produced by a very hot white dwarf that has been ejecting gas for thousands of…

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                Climate change: Amazon may be turning from friend to foe

                Gerd DaniMay 2, 2021March 28, 20260

                The Brazilian Amazon released nearly 20 percent more carbon dioxide into the atmosphere over the last decade than it absorbed,…

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                  Satellite images show the accelerated melting of more than 200,000 glaciers worldwide

                  Gerd DaniMay 2, 2021March 28, 20260

                  Glaciers are a sensitive indicator of climate change — and one that can be easily observed. Regardless of altitude or…

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                    Dangerous ‘Heat Bombs’ Have Been Entering The Arctic Ocean

                    Gerd DaniMay 1, 2021March 28, 20260

                    For decades, warmer waters seeping into the Arctic Ocean have increasingly threatened Arctic sea ice, with scientists predicting the ice…

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                      The Great Dark Spot

                      Gerd DaniMay 1, 2021March 28, 20260

                      Most of you will have heard of the Great Red Spot, the huge storm in the Jovian atmosphere. However, Jupiter…

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