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Interstellar comet 3I/ATLAS transforms into a giant 'cosmic rainbow' in trippy new telescope image
New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...
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Interstellar object that invaded our solar system might be the 'oldest ever seen'
Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...
An Interstellar Comet Is Here, and Its Age Is Mind-Bending
After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...
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Surprising Secrets of 3I/ATLAS: What This Giant Interstellar Comet Reveals About Our Galaxy—And How Telescopes Caught It
How does a 15-kilometer-wide comet, moving at 152,000 miles per hour, slip into our solar system undetected until a global ...
What Is an Interstellar Comet? NASA’s Latest Discovery Explained
Discover the rare interstellar comet 3i/Atlas, recently confirmed by NASA in July 2025. Learn what makes interstellar comets ...
This interstellar comet may be a frozen relic from before the Sun
A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system ...
Mysterious Manhattan-sized interstellar comet spotted blasting through solar system: NASA
These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...
Astronomers spotted a third ‘interstellar object’ streaking through our solar system
Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...