3I/ATLAS is now exiting our solar system at more than 137,000 miles per hour.

Astronomers found 'heavy water' in interstellar comet 3I/ATLAS, suggesting it formed in a cold, unusual environment beyond ...

Scientists detected a mysterious object entering the Solar System from deep space — and it immediately started raising questions. Known as 3I Atlas, the interstellar object appeared to behave ...

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A comet from beyond our solar system is carrying water so chemically unusual that scientists say it could only have formed ...

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New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a colder, more distant origin than any comet ever measured.

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

Astronomers at the University of Michigan have found that the interstellar comet 3I/ATLAS contains water with a deuterium ...

At the same time, the global trade map itself is undergoing profound changes. Instability around the Strait of Hormuz has ...

Scientists studying comet 3I/ATLAS believe the mysterious interstellar object may have formed 11 billion years ago in an ...

Discovered in 2017 by Pan-STARRS atop Halealakalā on Maui, ʻOumuamua was the first confirmed interstellar visitor. Its ...