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 latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was ...

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

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 spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

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

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...

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

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...