Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Comet 3I/Atlas is believed to have originated from the Oort Cloud, a distant region filled with icy bodies that lie at the outer reaches of our solar system. This ancient reservoir of comets serves as ...

Comet 3I/ATLAS is drawing unusual attention because it doesn't behave the way most comets do in photographs and time-series ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

In 1994, the fragments of the Shoemaker-Levy 9 comet smashed into Jupiter with a force equal to 300 million atomic bombs.