Moons

Could the destruction of a large icy moon explain both Saturn’s tilt and its rings?

Saturn's rings may be the debris from a long-dead moon.

By Phil Plait | 

2 months ago

It may be snowing upside down in the water beneath Europa’s surface

Europa's ice shell might be weirder than we thought.

By Cassidy Ward | 

3 months ago

Which exomoons could possibly be crawling with life?

If some moons in our solar system might be habitable, then...

By Elizabeth Rayne | 

6 months ago

Quadruple asteroid!

A newly discovered third moon for Elektra makes it the first known quadruple asteroid.

By Phil Plait | 

9 months ago

Moons might be the ultimate alien detectors 

...that is, if we find any exomoons.

By Elizabeth Rayne | 

10 months ago

Does Saturn's Death Star moon have an ocean under its surface?

Mimas is small, but may contain watery secrets.

By Phil Plait | 

10 months ago

How many moons does Saturn have? A lot more now: Dozens of new ones have just been found.

If someone asks you how many moons Saturn has, the correct answer is, "a lot."

By Phil Plait | 

1 year ago

Is Saturn’s moon Dione still cryovolcanically active?

By Phil Plait | 

1 year ago

Explaining Saturn's ravioli moons

By Phil Plait | 

1 year ago

Did a giant impact and a crashing submoon form the bizarre ridge around Iapetus?

By Phil Plait | 

1 year ago