Earth is saying goodbye to an asteroid that has been a "mini-moon" of sorts since late September, when it joined the planet's ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

A mini moon that will bid farewell to Earth soon may in fact be a small hunk of the big moon — the one that has loomed far ...

It was the smallest full Moon of the year. Why the Moon change size? Its orbit of Earth is not perfectly round, but elliptical. So in any given month there is a point when its closest to us and ...

And now, new research based on images taken by the Voyager 2 spacecraft has suggested that Miranda, a small Uranian icy moon, ...

Planetary scientists don’t care about Mimas, Saturn’s smallest moon. Sure, its massive Herschel crater might make it look like the “Death Star” space station from Star Wars, but it’s ...

ALSO SEE: Earth Now Has A Second Moon. Can You See It Without A Telescope? The asteroid's proximity to Earth during its stay ...