Evidence points to a long-lost ocean beneath Ariel’s icy crust. Tides and orbit shifts may have cracked its surface billions of years ago. Growing evidence indicates that a deep ocean may lie hidden ...

Uranus' moon Ariel could have had liquid water 100 miles deep, hidden under its icy crust, possibly making it yet another ...

Here on Earth, we are used to having just one moon orbiting around us, but it is well known that other planets have a lot more. Up until recently, the planet Uranus was thought to have 29 moons, but ...