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

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of ...

NASA hosted a livestream Nov. 19 to share newly released images of Comet 3I/ATLAS, the third known interstellar object to ...

A viral backyard-telescope photo claims to outshine NASA's $30 billion "close-up" view of interstellar object 3I/ATLAS — but ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

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

Interstellar object 3I/ATLAS, since its discovery in July, has become a center of attention in the scientific community ...

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

NASA's treasure trove of new comet 3I/ATLAS images provides hotly anticipated views of the interstellar visitor, including ...

3I/ATLAS was first spotted in July by an Asteroid Terrestrial-impact Last Alert System, or ATLAS, telescope located in Rio ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...