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

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

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

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

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

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

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

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

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

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

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