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

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

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

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

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

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

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 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." ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles ...

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