Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar comet 3I/ATLAS. Experts tell Live Science how they are planning to observe ...

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 encountered.

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

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 ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and ...

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.

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...

Watch how Comet C/2024 S1 (ATLAS) met its demise after traveling close to the sun. Imagers aboard the Solar and Heliospheric Observatory (SOHO) captured the its fateful dive.