Uranus's moons — what is unique about each moon and why do they orbit at a tilt?

A pale blue-green enigma, the planet Uranus has long fascinated astronomers precisely because of its extreme distance, some 1.6 billion miles (2.6 billion km) from Earth. While it is comparatively ...

Our Solar System, like a sneaky little hobbit, seems to have stuffed its pockets full of hidden oceans. Jupiter, Saturn, Uranus, and Neptune all have moons astronomers think might be harboring liquid ...

We might finally understand what’s going on inside Uranus and Neptune, and the answer is pretty surprising: They may each contain an ocean of water. “We didn’t really know anything before,” about ...

A team of astronomers announced Tuesday that a new satellite measuring roughly 90 football fields across was discovered ...