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

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

NASA and Gemini North reveal stunning new images of interstellar comet 3I/ATLAS glowing with an eerie green light. Discover ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it ...

Scientists scanned interstellar Comet 3I/ATLAS for alien signals using powerful radio telescopes, found nothing artificial, ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...