The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

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

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

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

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

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 ...

NASA will reveal new imagery of the interstellar comet 3I/ATLAS on Wednesday (Nov. 19), and you can watch it live. The ...

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