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

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

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

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

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

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

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

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

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