Astronomers have revealed new details about the make-up and age of a visiting comet that was born around a distant star. They conclude that the composition of 3I/Atlas is strikingly different from any ...

The potential 'dark comet' 2016 WF9 approaching the Sun. (NASA/JPL-Caltech) The Solar System is full of the ghostly remnants of its violent birth. This ancient debris includes sad little rocks that ...

Interstellar comet 3I/ATLAS (C/2025 N1) captured by the Subaru Telescope on December 13, 2025 (Hawaii-Aleutian Standard Time). This image was created by combining three different wavelengths: V-band ...

The interstellar visitor 3I/ATLAS is one of the most carbon dioxide-rich comets ever seen, which may suggest it formed in an environment quite unlike our own solar system. Astronomers have been ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...

NASA's Deep Impact mission revealed that Comet Tempel 1's composition included clay and carbonates – but how did they form there? THE more we learn about comets the more mysterious they become. When ...

While 3I/ATLAS is definitely a comet, its composition and age have remained unclear. Now, astronomers have solved these mysteries.

Asharq Al Awsat An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...