An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

NASA has released stunning new images of interstellar comet 3I/ATLAS, revealing fresh details about its structure, its ...

"An unprecedented observing campaign," is how NASA itself defines the work being done to thoroughly study 3I/ATLAS. The US ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

Interstellar comet 3I/ATLAS sweeps past Mars as NASA’s orbiters and Perseverance reveal fresh clues about its chemistry and ...

NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...