James Webb found Neptune's moon Nereid has an unusual icy surface, suggesting it formed alongside the planet instead of being captured later.

There are hundreds of moons in our patch of space. Some are tiny, some huge; some neatly spherical, some potato-shaped. Some harbour hidden oceans, some crackle with static electricity, and others ...

Neptune's strangest moon Nereid may not be a captured object after all, but a survivor from the planet's original moon system, according to a new study that is casting doubt into a long-standing ...

They used a dynamic simulator called REBOUND to map Neptune as a series of normal, circular moons. Then they hit that nice, ...

The farthest planet from the Sun has a rather strange collection of moons in its orbit. That may be because Neptune’s largest moon, Triton, made a mess when it forced its way into the planet’s orbit ...

Neptune is the solar system's most distant planet, a cold, blue ice giant sitting nearly 30 times further from the sun than Earth. At that remote distance, temperatures plunge to nearly minus 200 ...

Add Yahoo as a preferred source to see more of our stories on Google. Neptune's strangest moon Nereid may not be a captured object after all, but a survivor from the planet's original moon system, ...