For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

Discover the latest findings on interstellar comet 3I/ATLAS, from rare methane detections to high-resolution Hubble images, as it begins its final exit from our solar system.

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Chile. The designation “3I” marks it as the third confirmed interstellar object ...

3I/ATLAS, an interstellar object identified by NASA as a comet, recently passed its closest point to the sun. Scientists around the world are observing its months-long journey to learn more about the ...

Theoretical physicist Avi Loeb has linked 31/ATLAS, the strange object set to hurtle near Earth next month, to a mystery that has puzzled scientists for almost 50 years - the 'Wow!' signal received in ...

A massive, mysterious object is hurtling through our solar system, and it has caught the attention of the highest levels of the US government. The interstellar comet, known as 3I/ATLAS, is being ...