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 ...

ESA's advanced XMM-Newton telescope discovered a faint X-ray glow from the 3I/ATLAS comet. What is this mysterious light it ...

Interstellar object 3I/ATLAS nears Earth with a bizarre 'anti-tail' and 14 anomalies. Is it a comet or alien tech?

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.