For only the third time in history, humanity is tracking a visitor from beyond the solar system, and one of the best views of ...

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

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 ...

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 ...

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 ...

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 ...

3I/ATLAS showed a complex tail structure early this morning of November 8, 2925. It was observed at 29 degrees elongation from the Sun. In July and August , other researchers calculated that 3I Atlas ...

Space agencies around the globe have launched an unprecedented wave of planetary defense exercises, all centered on a mysterious interstellar visitor that refuses to behave like anything scientists ...

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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 ...

So far, we’ve had only 2I/Borisov and Oumuamua confirmed as interstellar. The mere prediction of more arrivals doesn’t address many issues that are very relevant. In our system, these things are ...