3i Atlas Interstellar Comet

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  NASA Scientists Observe 'Dramatic' Increase In Brightness Of Interstellar Comet 3I/ATLAS

  SPHEREx detected a mix of molecules streaming off the comet, including water ice, carbon dioxide, and rocky material.

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  SPHEREx Captures Dramatic Outburst of Interstellar Comet 3I/ATLAS

  NASA’s SPHEREx telescope captured a dramatic outburst from interstellar comet 3I/ATLAS after its close solar flyby in October 2025. Infrared observations in December revealed water vapor, carbon dioxide, methanol, methane, and cyanide erupting from the comet’s nucleus. Scientists say the chemical makeup suggests formation in a relatively warm e...

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  NASA’s SPHEREx Spots Interstellar Comet Flaring With Gas and Organic Molecules

  NASA’s SPHEREx telescope has observed interstellar comet 3I/ATLAS unexpectedly brightening as it leaves the solar system. The comet released water vapour, carbon dioxide, and organic compounds months after its closest solar approach. Scientists say the findings provide a rare chemical snapshot of material formed around another star, helping compa...

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  NASA’s TESS Captures First Images of Rare Interstellar Comet 3I/ATLAS

  NASA’s Transiting Exoplanet Survey Satellite has captured rare images of interstellar comet 3I/ATLAS, only the third such object ever detected. Observations from January 2026 reveal the comet rotates every 15 hours and produces sunlight-driven jets, behaving much like Solar System comets. Scientists say studying 3I/ATLAS may unlock clues about th...

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  Is Interstellar Comet 3I/ATLAS Alien Tech? Astronomers Finally Answer

  Researchers used powerful radio telescopes to scan 3I/ATLAS for signs of alien technology.

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  Hubble's New Data Reveals Twin Jets From Interstellar Comet 3I/ATLAS

  As 3I/ATLAS fades, scientists will continue analysing data to understand more about the mysterious comet

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  Biggest Space Discoveries in 2025: From New Comets and Black Holes to Sign of Life on Mars

  The year 2025 proved extraordinary for astronomy, delivering discoveries that stretched from our cosmic backyard to distant galaxies. Scientists tracked Comet 3I/ATLAS, only the third known interstellar object, while nearby stars like Barnard’s Star and Alpha Centauri revealed new planetary companions. On Mars, strange “leopard spots” raised ...

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  Interstellar Comet 3I/ATLAS Shows Rare Wobbling Jets in Sun-Facing Anti-Tail

  Interstellar comet 3I/ATLAS reveals rare wobbling jets in its sun-facing anti-tail, stretching over 620,000 miles. Observed from July to September 2025, the jets indicate the comet’s icy core rotates once every 15.5 hours. As only the third interstellar object known, 3I/ATLAS provides unique insights into cometary behaviour and formation in dista...

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  How 3I/ATLAS, Icy Lemmon And Cosmic SWAN Redefined The Sky In 2025

  The year stood out for its memorable comet activity, with interstellar visitor 3I/ATLAS, along with comets C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), drawing global attention.

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  Will Toxic Materials, Including Cyanide, From Interstellar Comet 3I/ATLAS Reach Earth? Expert Reacts

  The interstellar comet 3I/ATLAS contains cyanide and hydrogen cyanide, which are highly toxic substances.