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

The latest images of an interstellar comet shared by NASA have captured how an array of spacecraft witnessed a flyby that was ...

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

Astronomer Gianluca Masi captured a spectacular image of interstellar comet 3I/ATLAS on Nov. 19, as it raced headlong away ...

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

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

Comet 3I/ATLAS was first detected in July, sparking a flurry of interest among scientists and in amateur astronomy circles.

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

David Jewitt, professor of astronomy at UCLA, discusses the comet known as 3I/Atlas, which is only the third confirmed object ...

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...

Imaging suggests that a lot of the material coming off is in the form of dust grains. NASA indicated that two missions to ...

Scientists from the European Space Agency have significantly narrowed down the trajectory of the interstellar visitor ...