For circumbinary exomoons, our research shows that it would be best to search in systems that have a wide binary separation, as stable moons were able to orbit at up to 10% of their planet's hill ...

So which planets in our solar system have rings? All four giant planets — Jupiter, Saturn, ... Jupiter's multiple large moons (namely, the Galilean satellites: Io, Europa, ...

Why do some planets have moons and some don’t? – Siddharth, age 6, Texas On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Left to right: Saturn, Uranus, and Jupiter show off their rings for various NASA spacecraft ...

The other object is 2014 NX 65, which is definitely not resonant with Uranus but might have an inner 3:2 resonance with ...

Very massive stars (VMSs) have had a massive impact on the formation of our universe. However, there aren't very many of them ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do some planets have moons and some ...

But because moons are so tiny and dim compared to planets and stars, there has never been a confirmed discovery of an exomoon. Now, though, scientists have uncovered evidence of an exomoon, and it ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today.

How many moons does Saturn have? Saturn's eight largest moons were discovered between 1671 and 1848 by several astronomers. For much of the 20th century, the moon counts for Jupiter and Saturn ...