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

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 released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

Images released by NASA, showcasing a giant butterfly-shaped hole on the sun, have sparked a wave of online interest. The ...

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

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

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

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

NASA will host a live event at 3 p.m., Wednesday, November 19, to share imagery of the interstellar comet 3I/ATLAS.

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

A NASA astronaut captured surreal footage of the northern lights, also known as aurora borealis, blasting rays of colors over ...

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