Science Explorer
Science Explorer

Science Explorer

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Roman-Era Wreck Reveals How Ships Were Built to Last 2,000 Years Ago
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Roman-Era Wreck Reveals How Ships Were Built to Last 2,000 Years Ago

Ancient humans found clever ways to stay seaworthy. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

Scientists Traced Interstellar Comet 3I/ATLAS to an Extremely Cold Origin
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Scientists Traced Interstellar Comet 3I/ATLAS to an Extremely Cold Origin

It's from a corner of the galaxy far lonelier than ours. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

Ancient Footprints Suggest a Flying Predator Was Chasing Prey on Land
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Ancient Footprints Suggest a Flying Predator Was Chasing Prey on Land

The smaller creature entered the scene first, moving at a stroll – before it suddenly changed direction and broke into a run.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

New Research Reveals That Interstellar Comet 3I/ATLAS Formed in a System Far Colder Than Our Own
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New Research Reveals That Interstellar Comet 3I/ATLAS Formed in a System Far Colder Than Our Own

The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came from somewhere colder and with lower levels of radiation than our early Solar System.

Interstellar Comet 3I/ATLAS Left a Trail of Methane in its Wake
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Interstellar Comet 3I/ATLAS Left a Trail of Methane in its Wake

A new analysis of data obtained by JWST on 3I/ATLAS as it was on its way out of the Solar System (in December 2025) showed that its interior is rich in methane ice.