Initial analysis suggested the nucleus was approximately 13.7 kilometers wide (roughly city-sized); however, researchers ...

TUCSON, Ariz. (KVOA) - At the start of October, NASA's Mars Reconnaissance Orbiter (MRO), equipped with the University of Arizona-led HiRISE camera, captured images of comet 3I/ATLAS, marking only the ...

The interstellar comet 3I/ATLAS has shifted from a routine curiosity to a physics puzzle, as NASA and other teams report that ...

Comet 3I/ATLAS is a visitor that will never call the solar system home. Identified on a one-way path that carries it in and ...

A camera on NASA's Mars Reconnaissance Orbiter captured this image of interstellar comet 3I/ATLAS in early October. At the time, the comet was about 19 million miles ...

NASA released close-up images on Wednesday of the rare interstellar comet that's making a single pass through the solar system. One of the images shows the comet, also known as 3I/ATLAS, as it moves ...

CAPE CANAVERAL, Fla. (AP) — NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar system. Discovered over the summer, the comet ...