Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

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

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...