Far from the warmth of the Sun, some of the coldest-looking worlds in the solar system may be hiding the hottest surprises.

But on larger icy moons, the ice layer may break up before the water boils, preventing the formation of a boiling ocean.

Experts have discovered that the moon is leaking heat from both of its poles, which they say indicates that Enceladus could ...

While the crater-pitted moon may appear geologically dead, researchers have discovered more could be going on under its icy ...

Small icy moons in the outer reaches of our solar system may hide boiling oceans underneath their surfaces, a new study finds.

Although we are learning more than ever before about the other planets in our solar system, there are still plenty of mysteries to unwind. One open question is why exactly the atmosphere of gas giants ...