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

May 24, 2026May 24, 2026

How Long Does Light Take to Cross Our Solar System?

May 24, 2026May 24, 2026

Can NGC 5584 Prove the Universe Expands Too Fast?

May 24, 2026May 24, 2026

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

May 23, 2026May 23, 2026

AstroPhysics

Colorful aurora borealis over trees
  • AstroPhysics
  • Physics

Why Do Blue Northern Lights Only Appear in Late April?

Gerd DaniApril 23, 2026April 23, 20260

Why Do Blue Auroras Glow Now? The Hidden Spring Secret Have you ever closed your eyes and pictured the northern…

Read More
Cosmic explosion questioning universe's origin
  • AstroPhysics

What Existed Before the Big Bang? Can We Know?

Gerd DaniApril 22, 2026April 22, 20260

Have you ever looked up at the stars and asked yourself — not just what’s out there, but what came…

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Illustration of the Sun's orbital path around the Milky Way center with positions marked along each galactic year cycle through the spiral galaxy
  • AstroPhysics

How Many Galactic Years Is Our Solar System Old?

Gerd DaniApril 22, 2026April 22, 20261

How Many Galactic Years Is Our Solar System? The Cosmic Clock Explained Have you ever wondered how old we really…

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Cosmic swirl with bright star center
  • AstroPhysics
  • Research

Can a Dying Star Outshine an Entire Galaxy?

Gerd DaniApril 19, 2026April 19, 20260

Have you ever wondered how something that gives off no light at all can still set a whole galaxy on…

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Colorful cosmic quasar halo visualization
  • Astronomy
  • AstroPhysics

Did Cosmic Dawn Glow? 33,000 Hydrogen Halos Found

Gerd DaniApril 17, 2026April 17, 20260

What if every newborn galaxy in the young universe wore a glowing hydrogen coat larger than a thousand Milky Ways…

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Massive Population III primordial stars glowing in blue and white inside a colorful hydrogen and helium nebula in the early universe, surrounded by forming galaxies after the Big Bang
  • AstroPhysics
  • Research

Have We Found the First Stars Ever Born After the Big Bang?

Gerd DaniApril 15, 2026April 15, 20260

The Universe’s First Stars Are No Longer a Theory — Meet Hebe, the Proof What if the very first stars…

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Black holes: new origins revealed by JWST
  • Astronomy
  • AstroPhysics

Black holes: new origins revealed by JWST

Denise MeloniApril 15, 2026April 15, 20260

Recent observations conducted with the James Webb Space Telescope (JWST) have challenged established models of galactic evolution. An international team…

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Red giants and the magnetic origins of white dwarfs
  • Astronomy
  • AstroPhysics

Red giants and the magnetic origins of white dwarfs

Denise MeloniApril 14, 2026April 14, 20260

The fate of stars similar to our Sun is marked by a radical transformation: after shining for billions of years,…

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Jupiter's four largest moons are known as the Galilean moons. This composite image shows from left to right, Io, Europa, Ganymede, and Callisto.
  • Astronomy
  • AstroPhysics

Why Does Jupiter Have 4 Large Moons but Saturn Just 1?

Gerd DaniApril 11, 2026April 11, 20260

Jupiter vs. Saturn: The Magnetic Secret Behind Their Moon Families Have you ever looked up at the night sky and…

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Sn 2024abfl: characterizing a unique low-velocity supernova
  • Astronomy
  • AstroPhysics

Sn 2024abfl: characterizing a unique low-velocity supernova

Denise MeloniApril 10, 2026April 12, 20260

The Chinese Academy of Sciences (CAS) recently conducted a comprehensive study of a peculiar Type IIP supernova, designated as SN…

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