Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons as well. While some TNOs could be called dwarf planets because of their ...

This placed the ringed planet firmly in the lead. Elsewhere in the Solar System, Earth has one moon, Mars has two, Jupiter has 95, Uranus has 28 and Neptune has 16, for a total of 142 moons.

This placed the ringed planet firmly in the lead. Elsewhere in the Solar System, Earth has one moon, Mars has two, Jupiter has 95, Uranus has 28 and Neptune has 16, for a total of 142 moons.

The discovery of natural satellites on Saturn assists researchers in understanding the dynamics of orbits, resonances, and the stability of planetary systems in general ...

These moons are named for two sons of the Greek ... But for now, no liquid water has been spotted on the Red Planet. Humans have never been to Mars, but we've been studying it for hundreds of ...

circular orbit around a host planet. The newly discovered moons of Saturn, on the other hand, have all been categorized as irregular (overall, 24 of Saturn’s moons are regular, while the other 250 are ...

Uranus, the mysterious ice giant, has 27 known moons, each named after literary characters from Shakespeare and Alexander ...

The sixth planet from the Sun now has a grand total of 274 moons, the most of any planet in the Solar System. The discovery has raised a lot of questions. How do you spot moons, and why hadn’t ...