Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

Perhaps counterintuitively, the probe found the composition of the water vapor on Comet 67P was significantly different from ...

Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

From a recent NASA blog: “The comet successfully made its closest transit past the Sun on Sept. 27. Scientists surmised it might well break up during that pass, its volatile and icy composition ...

Astronomers report that Comet Tsuchinshan-ATLAS reached its closest point to the Sun on Sept. 27, putting on a spectacular ...

The brightness and structure of these trails provide scientists with valuable information about the composition and behavior ...

Analysis of this data should give scientists a better understanding of the structure and composition of comets. Ikeya-Seki is now more than 55 mil lion miles away from the sun and gradu ally ...

including their size and composition. Toward this end, my colleagues and I work to characterize new long-period comets. The largest known one, Bernardinelli–Bernstein, discovered just three ...

All comets were formed when the solar system was formed, according to Rao. “(The) composition of these comets is basically what existed at the time of the formation of the solar system,” she said.