The comet 3I/ATLAS is the third confirmed interstellar object and is likely 3 billion years older than our own solar system.

How does a 15-kilometer-wide comet, moving at 152,000 miles per hour, slip into our solar system undetected until a global ...

I/ATLAS is the third known interstellar object ever discovered At 15 km wide, it’s larger and brighter than ʻOumuamua or Borisov Scientists will analyze its light to trace its system of origin ...

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

A NASA-funded telescope in Chile identified a comet from interstellar space on July 1, marking a significant astronomical ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.