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HISTORICAL FACTS: Our solar system | History Defined

Rare Interstellar Comet 3I/ATLAS Offers Insight into Early Milky Way

Rare interstellar comet 3I/ATLAS is revealing clues about the early Milky Way, offering scientists a glimpse into conditions billions of years ago.

International Business Times UK

Scientists Find 'Alcohol' On Interstellar Comet 3I/ATLAS — What Does It Mean For Our Solar System?

Scientists detect alcohol on interstellar comet 3I/ATLAS. The strange discovery could reveal secrets about alien solar systems and cosmic chemistry.

International Business Times UK

New fear unlocked: runaway black holes

Last year, astronomers were fascinated by a runaway asteroid passing through our Solar System from somewhere far beyond. It was moving at around 68 kilometres per second, just over double Earth’s speed around the Sun.

The Conversation

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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 images capture rare interstellar comet 3I/ATLAS passing through our Solar System

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - even older than the Sun.

Euronews

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 Continues Its Grand Tour of Our Solar System

Interstellar Comet 3I/ATLAS, only the third object of its kind, is speeding out of our solar system.

International Business Times UK

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3I/ATLAS Sparks Public 'Alien' Speculation as NASA Imagery Fuels Curiosity

The interstellar comet 3I/ATLAS has been sparking off debates among people across the globe- is there really alien life?

International Business Times UK

ESA's Jupiter Probe Just Snapped a Stunning Image of Interstellar Comet 3I/ATLAS

ESA's JUICE spacecraft captures a stunning image of interstellar comet 3I/ATLAS, providing rare insights into a visitor from beyond our Solar System.

International Business Times UK

3I/ATLAS Stirring to Life Before Closest Approach to Earth Revealed In NASA, ESA Newest Images

NASA and ESA images show interstellar comet 3I/ATLAS erupting with gas and dust as it nears Earth on 19 Dec 2025, offering scientists a rare chance to study material from beyond our solar system.

International Business Times UK

Mysterious Comet May Be Dragging A 'Swarm' Of Unknown Objects Through Solar System, Scientists Warn

Interstellar comet 3I/ATLAS shows odd traits—anti-tail, strange acceleration, unusual chemistry—prompting scientists to warn it may drag a 'swarm' of unknown objects through our Solar System.

International Business Times

Astrophysicist Sparks Panic: 3I/ATLAS May Be Dragging A 'Swarm' Of Unknown Objects Through Our Solar System

Interstellar comet 3I/ATLAS shows odd traits—anti-tail, strange acceleration, unusual chemistry—prompting scientists to warn it may drag a 'swarm' of unknown objects through our Solar System.

International Business Times UK

NASA Livestream Today: New Images Will Confirm 3I/ATLAS Is Intact, Not Fragmented

Watch NASA's 19 November 2025 livestream as new images of the interstellar object 3I/ATLAS are released. Scientists expect confirmation that the comet is intact, providing rare insight into material from beyond our Solar System.

International Business Times UK

3I/Atlas Reveals Its Fiery Comeback—How You Can Spot the 10-Billion-Year-Old Traveller

Interstellar comet 3I/Atlas is once again visible from Earth, offering amateur astronomers a rare chance to track a 10-billion-year-old visitor from beyond our Solar System.

International Business Times UK

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The Conversation

Is it aliens? Why that’s the least important question about interstellar objects

On October 29, Comet 3I/ATLAS reached its closest point to the Sun.

International Business Times UK

As 3I/ATLAS Meets the Sun, Astronomers Fear a Cosmic Twist Awaits

As interstellar comet 3I/ATLAS hurtles toward the Sun this week, astronomers brace for a once-in-a-lifetime cosmic event that could reveal whether the mysterious visitor from beyond our Solar System will survive, explode, or rewrite what we know about interstellar space.

Euronews

Everything we know about 3I/ATLAS: The confirmed comet speeding through our Solar System

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at signs of alien technology.

International Business Times UK

Is 3i/Atlas An 'Interstellar' Visitor? New Updates Show Mysterious 'Metal Outgassing' That Make It Look More Spaceship Than Comet

Interstellar comet 3I/ATLAS, or C/2025 N1, is baffling scientists with its carbon-rich chemistry, early water release, and traces of metal emissions near the Sun.

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The Conversation

How to discover a planet

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor and his PhD student Didier Queloz, working at the University of Geneva, announced they had detected a planet orbiting…

The Independent UK

Suspected comet heading for our solar system

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The Conversation

Could the latest ‘interstellar comet’ be an alien probe? Why spotting cosmic visitors is harder than you think

On July 1, astronomers spotted an unusual high-speed object zooming towards the Sun. Dubbed 3I/ATLAS, the surprising space traveller had one very special quality: its orbit showed it had come from outside our Solar System.

The Conversation

Astronomers have spied an interstellar object zooming through the Solar System

This week, astronomers spotted the third known interstellar visitor to our Solar System.

International Business Times

Possible Interstellar Object Spotted Zooming Through Solar System

An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would be the third visitor from the stars ever detected, the European Space Agency said Wednesday.

The Conversation

What is a dark comet? A quick guide to the ‘new’ kids in the Solar System

In 2017, NASA discovered and later confirmed the first interstellar object to enter our Solar System.

The Conversation

Scientists have found carbon dioxide on Pluto’s largest moon – offering clues about how it formed

In the outer reaches of our Solar System, 5.7 billion kilometres from the Sun, lies the dwarf planet Pluto. Smaller than Australia, it is an icy world of mountains, glaciers and craters where the average temperature is –232°C.

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