Jupiter's Great Red Spot turns blue in new ultraviolet view from Hubble Telescope (photo)
Icy Oceans Exist on Far-Off Moons. Why Aren’t They Frozen Solid? The moons orbiting Jupiter and Saturn appear to have subsurface oceans — tantalizing targets in the search for life beyond Earth. But it’s not clear why these seas exist at all.
NASA's Lucy spacecraft swoops past first of 10 asteroids on long journey to Jupiter
