Watch how Comet C/2024 S1 (ATLAS) met its demise after traveling close to the sun. Imagers aboard the Solar and Heliospheric ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

As the interstellar comet 3I/ATLAS prepares for its closest approach to Earth on Dec. 19, it's being monitored not just by space agencies but also the United Nations. The comet, which will come within ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...

Comet 3I/ATLAS is showing a longer and brighter ion tail than ever before. New images reveal an increase in its activity. New telescope images have revealed a dramatic change in comet 3I/ATLAS, an ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable observations of the interstellar comet 3I/ATLAS, which in July became the ...

Comets are celestial bodies made up of ice, rock, and dust, and they typically range in size from a tens of feet to several miles in length. In the case of 3I/ATLAS, scientists estimate its diameter ...