Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

Comets that have hit Earth have been a mixed bag. Early in Earth's history, during the solar system's chaotic beginning, they ...

University of Central Florida (UCF) scientists and their collaborators discovered new insights into the formation of distant ...

Because the source of their propulsion cannot be seen, Seligman has given these 14 solar system oddities a rather catchy name: dark comets. Solving the riddle of these dark comets will do more ...

Comet SWAN, hailing from the Oort Cloud beyond Pluto, has been visible through telescopes and binoculars over the past few ...

Known for their speed, the Eta Aquarids are icy, rocky debris that’s been shed from the nucleus of Halley’s Comet each time ...

Comets are balls of frozen gas and dust from billions of years ago. Every so often, a comet passes through the inner solar ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

Many Southern Hemisphere observers consider this shower to be the best meteor shower of the year, but it's a different story ...

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.