Six Amazing Facts About Neptune and Its Moons
At the edge of the solar system is a fascinating world of ice and violent 1,000mph winds, Neptune. Here are six incredible facts about Neptune.
6 Startling Facts About Jupiter's Moons
From possible sub-surface alien life to volcanic death traps: meet Jupiter's incredible moons.
See Weird Dog Bone-shaped Asteroid Which Is Half the Length of Grand Canyon
Astronomers have been able to build a 3D model of Kleopatra and its two moons from two years' of observations collected by the Very Large Telescope (VLT).
Watch Live As Earth Loses Its 'Mini-Moon' 2020 SO: 'See It While You Can'
On February 1, the object will come "very close" to our planet.
Saturn's Moon Titan Drifting Away From Planet 100 Times Faster Than Thought
The finding could shed light on the long-debated issue of when Saturn's rings and moons formed.
Jupiter Is About to Come So Close to Earth Its Moons May Be Visible
At its closest, the planet's orbit will take it within around 398 million miles of Earth on June 12.
Mini-Moons Could Help Protect Earth From Asteroids
Scientists say a new telescope could help them discover more of these tiny moons.
Search for 'Planet X' Turns Up 12 More Jupiter Moons
Scott Sheppard's team is using a supercomputer to simulate 79 discovered moons of Jupiter over billions of years to learn how often Valetudo would collide with its neighbors.
Twelve New Moons Discovered Orbiting Jupiter
Jupiter has more natural satellites than any other planet in the solar system.
Catastrophic Collision Knocked Uranus Off-Kilter
A hunk of ice and rock twice the size of Earth smashed into the planet four billion years ago, researchers think.
These 121 Giant Planets May Have Habitable Moons
Searching for habitable exomoons will "greatly expand" the places we can look for life, a scientist says.
Saturn's Ravioli-Shaped Moon Formation Explained
The distinctive shape may have been the natural result of head-on collisions between smaller moonlets.
Saturn's Bulk May Be Key to Jupiter's Moons
Ganymede is bigger than the planet Mercury, and all three of the others outsize ex-planet Pluto, making their formation a huge mystery.
Mars's Two Tiny Moons Were Born During a Collision
Scientists may have been thinking about moons formed by impacts across the solar system in the wrong way.
Saltwater Lakes Hidden Beneath Glaciers May Mimic Moons
There are about 400 subglacial lakes around the world, but these are the first scientists believe to be salty.
That First Potential Alien Moon Probably Isn't One
The numbers contradict everything we know about how moons form.
Mysterious Crash Gave Uranus Its Tilt and 18 Moons
Huge collisions have huge consequences.
Stunning Images of Saturn, Moons From Cassini Mission
As a triumphant mission to Saturn ends, its lead imaging scientist recalls her favorite photographs and moments.