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The Latest Breaking News from 3I

NASA exoplanet probe tracks interstellar comet 3I/ATLAS to gauge its spin

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Space

Comet 3I/ATLAS Farewell: Watch Final Live Stream On January 22 As Interstellar Guest Exits Forever

Watch the final live stream of interstellar comet 3I/ATLAS on 22 January 2026. Join the Virtual Telescope Project to see this rare visitor exit our Solar System forever.

International Business Times UK

New Study Confirms Interstellar Comet 3I/ATLAS Is Made of 'Bizarre' Alien Dust

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a world with a unique chemical recipe.

International Business Times UK

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3I/ATLAS Shock: NASA-Tracked Interstellar Visitor Defies Science With 'Impossible' Jets

Interstellar comet 3I/ATLAS stuns astronomers with a puzzling triple-jet configuration as it flees the Solar System. New 2026 observations reveal symmetrical plumes that challenge traditional comet models.

International Business Times UK

3I/ATLAS Shock: Interstellar Comet Could Be 14 Billion Years Old, Pre-Date Our Sun

Discover why astronomers believe the interstellar comet 3I/ATLAS could be 14 billion years old and what Harvard's Avi Loeb says about its potential alien origins.

International Business Times UK

Scientists Say 3I/ATLAS Could Be Older Than the Sun — And Its Star May Be Gone

Scientists studying interstellar comet 3I/ATLAS say it may be older than the Sun and could have formed around a star that no longer exists.

International Business Times UK

Interstellar comet 3I/ATLAS reveals weird wobbling jets in rare sun-facing tail

3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers.

Space

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How 2025 became the year of comet: The rise of interstellar 3I/ATLAS, an icy Lemmon and a cosmic SWAN

Highlights from a cometary trio that captured our imaginations.

Space

Farewell, comet 3I/ATLAS! Interstellar visitor heads for the outer solar system after its closest approach to Earth

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system.

Space

Comet 3I/ATLAS reaches closest point to Earth: How to see it on Friday night

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight. Here's how to see it.

LiveScience

Scientists detect X-ray glow from interstellar comet 3I/ATLAS extending 250,000 miles into space

A rare interstellar comet has been caught in X-rays by two space telescopes, revealing how its gases interact with charged particles from the sun as it travels through the inner solar system.

Space

Interstellar comet 3I/ATLAS will reach its closest point to Earth this Friday. Here’s what to know.

The interstellar comet 3I/ATLAS will reach its closest point to Earth on December 19, giving astronomers a closer look at the mysterious visitor before it leaves our Solar System forever.

Euronews

Interstellar comet 3I/ATLAS makes its closest approach to Earth tonight: Here's what you need to know

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.

Space

The UN's International Asteroid Warning Network is closely watching comet 3I/ATLAS. Here's why.

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

LiveScience

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LiveScience

Comet 3I/ATLAS is getting greener and brighter as it approaches Earth, new images reveal

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter and greener since its close flyby of the sun in October.

International Business Times UK

3I/ATLAS Update: Harvard's Avi Loeb Says Experts 'Dismiss' Evidence Comet Could Be Technological-Origin

Harvard's Avi Loeb accuses scientists of rejecting his theory that the interstellar visitor 3I/ATLAS is technological, citing its unusual chemistry and 'heartbeat'.

International Business Times UK

3I/ATLAS 'Dead Rock Comes to Life': Interstellar Visitor Stuns Scientists With Violent Eruption Activity

Interstellar visitor 3I/ATLAS erupted with violent ice volcanoes, shifting from quiet ice ball to active body, sparking debate over natural causes or something more mysterious.

International Business Times UK

3I/ATLAS Comet Carries Key Molecule For Life From Another Star

An alien comet from another star, 3I/ATLAS, is spewing vast amounts of methanol, a key molecule for life. Scientists reveal what this shocking discovery means for life across the Galaxy.

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International Business Times UK

3I/ATLAS Mystery Deepens: Swarm of Particles Makes Interstellar Object 100 Times Larger

Hubble images of interstellar comet 3I/ATLAS reveal an inexplicable sunward anti-tail, shocking scientists. Is the massive, 46km object a natural wonder or alien technology?

International Business Times UK

3I/ATLAS Anti-Tail Extension: Harvard Claims 60,000 Km Separation Was Predicted

Hubble images confirm a radical Harvard theory: the interstellar comet 3I/ATLAS is fragmenting, validating Professor Loeb's prediction of a 60,000 km fragment separation.

LiveScience

New NASA, ESA images show 3I/ATLAS getting active ahead of its close encounter with Earth

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious object's closest approach to Earth on Dec. 19.

International Business Times UK

New 3i Atlas Hubble Photos Show Interstellar Object Is A Comet - But Why Does It Pulsate Like A Heartbeat?

Hubble confirms interstellar object 3I/ATLAS is an active comet, with pulsating jets sparking curiosity but consistent with normal cometary activity.

International Business Times UK

3I/ATLAS Data Reignites Ice-Volcano Feud And Experts Can't Agree What It Means

Fresh data on 3I/ATLAS show dramatic outgassing, CO₂-rich emissions, and possible 'ice volcanoes,' challenging conventional comet theory and reopening a fierce astrophysical debate over whether the object is a natural comet or something far stranger.

International Business Times UK

New 3I/ATLAS Images Show Possible Ice Volcanic Eruptions on Interstellar Object - Alien Life Considered

New images of interstellar object 3I/ATLAS suggest ice volcano eruptions as scientists study its ancient chemistry and debate whether such bodies could host life.

LiveScience

Interstellar comet 3I/ATLAS is erupting in 'ice volcanoes', new images suggest

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

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