The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Passages of the Solar System have only been established in three interstellar objects, but the construction of new telescopes ...

Even ordinary telescopes have a way of acting less ordinary when there comes a comet that will never be seen again. The ...

I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star.

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a world with a unique chemical recipe.

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Scientists have shown that the building blocks of proteins can form naturally in deep space. This means the raw ingredients for life may exist long before planets are formed.

The object was first detected by the ATLAS telescope system in Hawaii, originally appearing to be an ordinary comet. However, ...

"Interstellar navigation is a complex, systematic engineering task. Breakthroughs in a single discipline cannot support the ...