8 astronomy discoveries that wowed us in 2025 Here are eight of the most spectacular astronomical discoveries of 2025. Space · Dec 28, 2025
3I/ATLAS Sparking Alien Fears: Harvard Scientist Claims Iron Levels Hint at Artificial Interstellar Origin Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates artificial origins rather than a standard cometary structure. International Business Times UK · Dec 27, 2025
Interstellar Comet 3I/ATLAS Moves Away, yet Its Anti-Tail Raises Urgent Questions Interstellar comet 3I/ATLAS is leaving the Solar System, but its rare wobbling anti-tail is raising new questions for astronomers. International Business Times UK · Dec 27, 2025
Comet 3I/ATLAS Warning: Strange Wobble and Sunward Tail Spark Frenzy Over Alien Origins Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar systems as it departs our cosmic neighbourhood forever. International Business Times UK · Dec 26, 2025
Nine 'Mysterious' 3I/ATLAS Signals Identified As Human Noise Astronomers probed interstellar comet 3I/ATLAS for alien technosignatures, tracing nine 'mysterious' signals back to human radio noise and a perfectly normal comet. International Business Times UK · Dec 26, 2025
Scientists On Edge As 'Silent' 3I Atlas Sparks Wild Theories And Defies Everything We Know Scientists around the world are confronting unexpected radio silence and puzzling measurements from interstellar object 3I/ATLAS, sparking intense debate over its origin and nature, while peer-reviewed research and direct data point to natural cometary behaviour. International Business Times UK · Dec 25, 2025
3I/ATLAS 'Warning Shot' Behaviour Alters Comet Science Forever The interstellar object 3I/ATLAS has exposed critical gaps in our planetary defence, acting as a 'warning shot' that challenges current comet science. International Business Times UK · Dec 25, 2025
More Than 50 Alien Ships Heading to Earth by 3I/ATLAS? New Observations Go Viral A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the truth? International Business Times UK · Dec 25, 2025
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 · Dec 23, 2025
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 · Dec 23, 2025
Saturn’s icy moon Enceladus is an attractive target in the search for life – new research A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system. A new study strengthens the case for Enceladus being a habitable world. The Conversation · Dec 19, 2025
Interstellar comet 3I/ATLAS is rapidly moving away from us. Can we 'intercept' it before it leaves us forever? 3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object. LiveScience · Dec 19, 2025
Interstellar comet 3I/ATLAS makes closest pass of Earth. Where's it heading next? Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet. LiveScience · Dec 19, 2025
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 · Dec 19, 2025
Space · Dec 19, 2025 How did interstellar comet 3I/ATLAS capture our imagination in 2025? For one, it came down to timing.
Space · Dec 18, 2025 Astronomers capture 1st direct images of collisions in a nearby star system: 'It's like looking back in time' "It's like looking back in time in a sense, to that violent period of our solar system when it was less than a billion years old."
Space · Dec 18, 2025 4 ways to track 3I/ATLAS without a telescope as it makes its closest approach to Earth tonight Interstellar visitor 3I/ATLAS is travelling away from the sun on its way back to interstellar space.
Space · Dec 18, 2025 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.
LiveScience · Dec 18, 2025 Mysterious, irradiated 'scar' in our galaxy points to 2 stars that almost hit the sun Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our sun millions of years ago.
LiveScience · Dec 17, 2025 Spiders on Jupiter? Scientists uncover secret origins of arachnid-like 'demon' lurking on gas giant's moon. A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The finding could have implications for a NASA spacecraft en route to the frozen world.
International Business Times UK · Dec 17, 2025 'That Shouldn't Exist' - New 3I/Atlas Observations Shock Social Media New observations of interstellar object 3I/ATLAS reveal a sun-aligned jet that some say should be almost impossible.
Space · Dec 17, 2025 Interstellar comet 3I/ATLAS wasn't supposed to be there — meet the astronomer who discovered it Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer.
International Business Times UK · Dec 16, 2025 3I/ATLAS Forces Astronomers to Reevaluate Probability Distributions for Interstellar Object Properties Astronomers say 3I/ATLAS is so unusual that it is forcing a rethink of probability distributions used to model interstellar object properties.
International Business Times UK · Dec 16, 2025 3I/ATLAS' Behaviour Suggests Current Survey Telescopes May Be Missing Exotic Interstellar Visitors Interstellar comet 3I/ATLAS shows a rare sun‑facing anti‑tail, raising concerns that survey telescopes miss exotic visitors
Euronews · Dec 16, 2025 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.