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

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests ...

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

A mystery interstellar object discovered by a British astronomer is most likely the oldest comet ever seen. The "water ...

The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

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

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

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.

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