The Space Race on MSN

This interstellar object isn't behaving normally... and nobody knows why

A mysterious interstellar object known as 3I Atlas is crossing our Solar System, and the more scientists observe it, the ...
Smithsonian Magazine

A Rare Comet Made History as the Third Known Interstellar Object to Fly Through Our Solar System. Studies Are Now Revealing the Mysterious Conditions in Which I…

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

12 billion years old interstellar comet 3I/ATLAS may be older than the solar system

I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was no ordinary comet.
The Space Race on MSN

This interstellar object is approaching the sun - and scientists can't explain it

A mysterious object from interstellar space has entered our Solar System, and astronomers are racing to understand what makes ...
Science Daily

A rare interstellar visitor triggered a SETI search for alien technology

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Rare Interstellar Comet 3I/ATLAS Has an Astonishingly Ancient Origin

Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...

Before leading Trump's UFO panel, Israeli-American Harvard astrophysicist Avi Loeb proposed these 5 splashy theories about alien life

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...
Space on MSN

NASA looks for the origins of interstellar comet 3I/ATLAS | Space photo of the day for June 24, 2026

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...
ScienceAlert on MSN

Comet From Outside Our Solar System Has Chemistry Unlike Anything We've Ever Seen Before

(International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; Image Processing: J. Miller & M. Rodriguez ...

Third known interstellar visitor 3I/ATLAS may be billions of years older than the solar system, study finds

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

Discovered just a year ago, interstellar comet 3I/ATLAS could be one of the oldest objects ever observed by humanity

Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion ...

12 billion years old, this interstellar comet is older than our solar system

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...