Scientists think Uranus’s moon Ariel once had a hidden ocean beneath its icy shell. The moon’s orbit stretched enough to ...

Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its ...

What if our understanding of Uranus and Neptune's compositions have been wrong, specifically regarding their classifications ...

Scientists think one of Uranus' moons may once have had an ocean roughly 100 miles deep — about 40 times deeper than the Pacific Ocean — and could still possibly hold remnants of it.

Interest in icy moons has been growing steadily as they become more and more interesting to astrobiologists. Some take the majority of the attention, like Enceladus with its spectacular geysers. But ...

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from Earth, may actually be easier than finding a white cat in a snowstorm.

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

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 ...

Uranus’ moon Ariel may look like a frozen, airless world today, but new research suggests that beneath its icy crust, it may once have held an ocean more than 100 miles (170 kilometers) deep. That ...