A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

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

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 ...

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.

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 ...

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...

Scientists have been studying an interstellar object that's currently moving through our solar system which was first spotted on 1 July. It has been called 3I/ATLAS because of what spotted it, and ...

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

But this is exactly what happened for stargazers following the discovery of a weird interstellar object called 3I/ATLAS, or ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...