An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...

Comet‍‌‍‍‌‍‌‍‍‌ 3I/ATLAS is just the third object that we know of that has been observed to pass through our solar system from interstellar space; hence, it is a rare and scientifically significant ...

The high water content of comets in the solar system means that they are often referred to as "dirty snowballs." This water contains a record of the chemistry of the environment in which the comets ...

NASA's James Webb Space Telescope has uncovered unusual chemistry in interstellar comet 3I/ATLAS, including the first direct detection of methane on a visitor from another star system. The comet also ...