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Breaking: Scientists Find Evidence of Primordial Water Hidden at The Edge of The Solar System

Summary by Science Alert
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Scientists have discovered traces of water billions of years ago in cosmic dust particles that reached Earth from the Kuiper Belt. AzEdu.az reports, citing foreign media, that during the study of 12 dust particles collected from the stratosphere by NASA's high-altitude aircraft, they found clay minerals and heavy oxygen isotopes in their composition...

NASA has discovered remnants of an ancient water reservoir with an isotopic signature entirely different from Earth's water in microscopic dust particles originating from the Kuiper Belt, collected from the stratosphere. Scientists say this heavy water reservoir, shedding light on the early days of the Solar System, was preserved intact for billions of years thanks to a shield created by Saturn.

A NASA-led study detected chemical traces of primordial water, approximately 4.5 billion years old, in 12 cosmic dust grains from the most distant regions of the Solar System. Scientists determined that this water reservoir beyond Neptune may have a different composition than that on Earth.

A landmark scientific discovery reveals traces of primordial water in space dust grains from the Kuiper Belt. Learn how Saturn preserved this 4.5 billion-year-old chemical record.

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Science Alert broke the news in Canberra, Australia on Wednesday, November 11, 2026.
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