Our latest known interstellar visitor, comet 3I/ATLAS, is currently making its way out of the solar system, after passing by ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

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

Astronomers studying the intriguing comet 3I/ATLAS on Monday said that this visitor is incredibly ancient, potentially nearly ...

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...

Using carbon isotopes in the comet to estimate its age, the authors believe it may be even more ancient than earlier ...

SETI scanned 3I/Atlas for more than seven hours and detected no signs of extraterrestrial technology; The comet is only the ...

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

Southwest Research Institute (SwRI) scientists are using a solar wind forecasting method combined with analytic and numerical ...