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

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

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

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 ...

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

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...

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

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar ...

Comet 3I/ATLAS was first detected in July, sparking a flurry of interest among scientists and in amateur astronomy circles.

Interstellar comet 3I/ATLAS, third visitor to our system, is pure ice—no technosignatures, says NASA on 19 November 2025.