diagram with tangle of red and blue ovals showing moon orbits

Astronomy & Observing News

It’s Official: Saturn Has 128 New Moons

With a total now of 274 known moons, Saturn leads all of the planets by far.

Saturn edgewise

Celestial News & Events

See Mutual Events, Close Approaches of Saturn's Moons

As Saturn's rings narrow, now's the time for its moons to shine.

Mimas appears like the Death Star

Astronomy & Observing News

How Saturn’s Moon Mimas Might Have Melted

Maybe everything in the outer solar system is an ocean world.

Mimas appears like the Death Star

Astronomy & Observing News

Does Saturn's "Death Star" Moon Harbor an Ocean?

New evidence, based off of NASA's Cassini measurements of Mimas's orbit, suggests the icy "Death Star" moon might have a subsurface ocean.

Orbits of newly discovered moons

Astronomy & Observing News

New Discoveries Double Number of "Irregular" Saturn Moons

The Minor Planet Center is announcing a bevy of new moons for Saturn that will bring its total to 145 (and break Jupiter's record).

Saturn moons and rings

Astronomy & Observing News

Lost Moon Could Solve Saturn’s Riddles

An icy moon torn apart in Saturn's gravitational field some 150 million years ago could explain why the planet's rings are so young and a host of other puzzles.

Saturn's new moons

Astronomy & Observing News

Help Name Saturn’s 20 Newfound Moons

Astronomers have found 20 new moons circling Saturn — now you can help name them!

Pan

Astronomy & Observing News

Saturn's Rings Built Up Its Tiny, Close-in Moons

A new study of observations from NASA's Cassini sheds light on the tiny moons that orbit within Saturn's vast ring system.

Astronomy & Observing News

Future Planetary Probes Can Learn from Cassini

An unusual water composition at Saturn’s moon Phoebe means that future spacecraft will have to be on the lookout for different water ratios than we are used to on Earth.

Saturn's moons

Astronomy & Observing News

Saturn's Moon Dione Has Some Weird Stripes

Long straight parallel lines on the satellite's surface could be droppings from Saturn's rings, one of the moons, or a passing comet, researchers suggest.

Astronomical Tools

Find Saturn's Moons: Interactive Observing Tool and App

With help from our interactive JavaScript utility, you can always tell which of Saturn's brightest moons is which.

Solar System

Drama at Saturn: The Birth (or Demise) of a Moonlet?

New images from NASA’s Cassini mission show bright spots along Saturn’s A ring, likely caused by a small moonlet in the process of forming or shattering.

Saturn and its rings

Observing

Viewing Saturn: The Planet, Rings and Moons

Viewing Saturn is an old favorite for every telescope user. Here's a guide to seeing all that you can see on the ringed planet.