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

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

Astronomers are shocked as the largest comet ever seen, Bernardinelli–Bernstein, erupts with gas jets while still far beyond ...

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

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

A team of astronomers has made a groundbreaking discovery by detecting molecular activity in comet C/2014 UN271 (Bernardinelli-Bernstein)—the largest and second most distantly active comet ever ...

Astronomers have discovered that the largest comet from the Oort Cloud, a shell of icy bodies at the very edge of the solar system, is bursting with chemical activity.

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 ...

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.

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 ...