Moons
NASA confirms it's sending its Dragonfly drone-like spacecraft to Saturn's moon Titan
Saturn's largest moon is an Earth-like world that likely has conditions suitable for supporting life. A new NASA spacecraft will spend almost three years studying its surface.
Saturn's moon Mimas has an ocean
A newly discovered ocean on Saturn’s moon Mimas could provide a unique place to study the habitability of our Solar System.
Jupiter's moon Europa generates enough oxygen to keep 1 million humans breathing for a day
Oxygen could be making its way into the liquid ocean beneath the Jovian moon's icy surface.
Saturn's moon Titan may have 'magic' disappearing islands floating on its liquid methane seas
Transient isles form then dissolve on Saturn moon’s seas
Moons of Uranus
Discover facts about Uranus's moons, when they were discovered, who they're named after, which are the biggest and smallest.
NASA's Europa Clipper will launch in 2024 to explore Jupiter's moon for signs of habitability
The launch of Europa Clipper will see a new chapter in the exploration of this icy moon.
Observing guide | See Jupiter's moons transit the gas giant
Observe Jupiter's Galilean moons this month.
Gallery | Jupiter's Galilean moons
Facts about and images of Jupiter's four largest satellites, the Galilean moons.
Jupiter and moon Io have inspired a new way of detecting exoplanets
Jupiter and Io’s interactions could provide the basis for detecting planets beyond our Solar System
Which planet has the most moons?
A guide to the number of moons in the Solar System, and which planet is currently king of the moons.
How the JUICE mission will explore Jupiter and its icy moons
JUICE will visit Galilean moons Europa, Callisto and Ganymede, with the latter a particular target for exploration.
Can a moon have a moon?
Some planets have moons. That much we know. But can these natural satellites themselves have moons in orbit?
How to observe Saturn's moons
Which of Saturn's moons are brightest, and what sort of telescope do you need to see them? Find out in our observing guide.
Deimos: the strange orbit of Mars's moon
The Martian moon Deimos has an unusual gravitational tilt, suggesting an interaction with another satellite in its past.
Cryovolcanism in the Solar System
In our Solar System there are moons with frozen volcanoes where ice flows like lava. This is a guide to cosmic cryovolcanism.
Eye On The Sky | Juno images north pole of Jupiter's moon Ganymede
The largest moon in the Solar System reveals its icy north pole in new images released by NASA's Juno team.
Io: a guide to Jupiter's volcanic moon.
Io is a moon around Jupiter covered in active volcanoes. We've taken a look at what makes this Jovian satellite so special.
Interview | Voyager scientist Linda Morabito
Linda Morabito reveals how she made one of the Voyager mission's biggest discoveries: a volcano on Jupiter's moon Io.
How did Saturn's moon Titan form?
Scientists are piecing together clues as to how Titan, one of the largest moons in the Solar System, came to be.
Saturn's moon Enceladus: interior could be more complex than initially thought
Saturn's icy moon is one of the most promising places in the Solar System to search for conditions that could potentially support life. A new study suggests its subsurface ocean could be driving more complex processes than thought.
Observing guide | See moon Callisto cast a shadow on Jupiter
Spot Callisto transiting Jupiter between 06:40–09:30 UT on 26 February 2020.
20 new moons discovered around Saturn
20 new Saturnian satellites have been discovered, and the science team are asking the public to help name them.
The moons of Mars
Often overlooked, the moons of Mars, Phobos and Deimos, are as enigmatic as any other.
First moon beyond Solar System discovered
Astronomers may have discovered an exomoon larger than Neptune around a planet several times larger than Jupiter.