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

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

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

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

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

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

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

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation.

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of ...