Gas leaving the interstellar comet 3I/ATLAS moves at roughly half the speed of gas coming off Solar System comets at the same distance from the Sun. Anita Cochran of McDonald Observatory led the study ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

More and more details about 3I/ATLAS are filtering through the scientific process as time goes on. Our third known interstellar visitor attracted the attention of some of the world's most powerful ...

China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The images reveal its tail and glowing coma, offering scientists a glimpse of ...

A silent traveler has recently made its presence known in the dark velvet of our solar system. This has sparked a debate that goes back to the very beginning of time. 3I/ATLAS, the third interstellar ...

UK astronomers have uncovered new clues about the origin of 3I/ATLAS—only the third known object from beyond the solar system ever spotted. In a new paper published in Monthly Notices of the Royal ...