3I Atlas is one of the newest mysterious objects detected moving through deep space, and scientists are already raising ...

Interstellar comet 3I/ATLAS is carrying chemical signatures that do not match anything formed in our solar system.

China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The ...

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 ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before. In the gas around it, they found isotope ratios that do not match the ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

Scientists at the SETI Institute recently searched for technological signals from 3I/ATLAS, the third interstellar object observed in our solar system. Using the Allen Telescope Array (ATA) at the Hat ...

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

Just as mysterious interstellar object 3I/ATLAS reemerged from behind the Sun last week, astronomers detected intriguing radio signals from it that give new clues about its chemical composition.

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...