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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

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  • Latest
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Is Transhumanism Erasing What Makes Us Human?

May 20, 2026May 20, 2026

Ebola in Congo: Can Science Catch Up to Bundibugyo?

May 19, 2026May 19, 2026

Did a Lost Moon Really Create Saturn’s Beautiful Rings?

May 19, 2026May 19, 2026

Dark energy: how dataset discrepancies can bias theoretical inferences

May 19, 2026May 19, 2026

AstroPhysics

Illustration of moon Chrysalis shattering near Saturn, its icy mantle stripped to form Saturn's iconic rings.
  • AstroPhysics
  • Research

Did a Lost Moon Really Create Saturn’s Beautiful Rings?

Gerd DaniMay 19, 2026May 19, 20260

Chrysalis: The Shattered Moon Behind Saturn’s Iconic Rings What if the most photographed feature in our solar system was born…

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Massive red giant Sun with fiery solar flares expanding toward a scorched Earth, illustrating the Sun's red giant phase and the fate of our planet.
  • AstroPhysics

Will Earth Survive the Sun’s Red Giant Phase?

Gerd DaniMay 18, 2026May 18, 20260

Have you ever looked up at the Sun and wondered what it will become? We all share this sky, and…

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Shattered ΛCDM equation board with Hubble tension chart and cosmic web showing the standard model of cosmology cracking under new physics survey data
  • Astronomy
  • AstroPhysics

Is the Standard Model of Cosmology Quietly Falling Apart?

Gerd DaniMay 14, 2026May 14, 20260

What if the universe we thought we understood is mostly a polite fiction? Welcome, dear reader. We’re glad you stopped…

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Infrared WISE telescope image of Luhman 16, the closest binary brown dwarf system to Earth, with Gemini inset resolving both components.
  • Astronomy
  • AstroPhysics

Are the Closest Neighbors to Earth Not Stars, but Brown Dwarfs?

Gerd DaniMay 9, 2026May 9, 20260

Luhman 16: The Two Closest Brown Dwarfs to Earth What if the closest neighbors to our Sun aren’t stars at…

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Two merging black holes generating gravitational waves above a labeled LIGO Michelson interferometer diagram showing laser, beam splitter, mirrors M1 and M2, and photodiode detector.
  • AstroPhysics
  • Research

How Can LIGO Detect Ripples in Spacetime Smaller Than a Proton?

Gerd DaniMay 9, 2026May 9, 20260

LIGO: The World’s Most Sensitive Ruler Listening to the Universe Have you ever wondered if we can actually hear the…

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Visualization of Earth surrounded by 130 million pieces of orbital debris larger than 1 mm, 1.2 million above 1 cm, 50,000 above 10 cm, and 10,200 active satellites, shown as colored dots clustered in Low Earth Orbit and Geostationary Orbit.
  • AstroPhysics
  • Research

Can 3D-Printed Armor Save Spacecraft From Space Debris?

Gerd DaniMay 9, 2026May 9, 20261

What happens when a fleck of paint, barely bigger than a grain of sand, slams into your billion-dollar satellite at…

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Two massive black holes merging with glowing magenta and orange accretion disks inside a dense globular star cluster, illustrating hierarchical black hole growth revealed by LIGO gravitational wave data.
  • AstroPhysics
  • Research

Do Cosmic Monsters Grow Through Black Hole Collisions?

Gerd DaniMay 8, 2026May 8, 20260

Do Giant Black Holes Really Grow By Colliding With Each Other? Have you ever wondered how the universe builds its…

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Ultra-realistic cover showing a torsion balance, glowing G, galaxies, and NIST 2024 envelope for the gravitational constant mystery.
  • AstroPhysics
  • Physics

Why Does Gravity’s Constant G Still Baffle Science After 225 Years?

Gerd DaniMay 7, 2026May 7, 20260

Why Can’t We Measure the Gravitational Constant G? The Universe’s Most Frustrating Number Have you ever wondered why, after centuries…

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Solar radio bursts: revealing hidden magnetic reversals
  • AstroPhysics

Solar radio bursts: revealing hidden magnetic reversals

Denise MeloniMay 4, 2026May 3, 20260

Solar radio bursts are intrinsically connected to the movement of their emitting sources through the coronal and heliospheric plasma. The…

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Solar prominence seen in true colour during totality of a solar eclipse
  • Astronomy
  • AstroPhysics

How Do Solar Prominences Survive Weeks Above the Sun?

Gerd DaniApril 29, 2026April 29, 20260

How Do Solar Prominences Stay Alive Inside a Million-Degree Furnace? What if we told you there’s a mountain range bigger…

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