We take a look at why the members of the Solar System vary in colour
What is the longest-period comet we know about?
We find out what the biggest impact is on this Galilean moon
We take a look at how these ‘dirty snowballs’ are made
It’s a fairly dry and dusty world, so how did Mars get its frosty poles?
Hint: it doesn’t end well for our planet
Astrophysicists have got a rare peek at a baby planetary system 300 light years away
Evidence of planetary debris surrounding a double sun, ‘Tatooine-like’ system has been found for the first time
Erosion-carved troughs may be infant versions of larger features known as Martian “spiders”
The puzzling appearance of an ice cloud on Saturn’s largest moon could possibly be similar to one seen over Earth’s poles
What is the origin of the large nitrogen glacier on Pluto revealed by NASA’s New Horizons spacecraft in 2015?
Astronomers are discovering more intriguing information about the dwarf planet
New data points to more prevalent water ice on the dwarf planet’s surface
Bright spots seen by NASA’s Dawn spacecraft on the surface of dwarf planet Ceres are likely to be salt deposits
Data from the mission has revealed two peaks that tower almost 6 kilometres (4 miles) above the dwarf planet’s surface, hinting at the existence of ice volcanoes
NASA’s spacecraft has begun returning its best-ever views of the northern extremes of Saturn’s icy, ocean-bearing moon
Recent colour images reveal more about the dwarf planet
NASA’s Cassini has found out something odd about the planet’s A ring
The bright spots on the dwarf planet have become even more tantalising
With less than a day until the historic flyby of Pluto, the dwarf planet’s icy surface is becoming more fascinating and complex