Have you ever proudly identified a seashell find, only to hear a passing stranger sagely call it another name entirely? No need to fret. Chances are, you're both right. Many shells carry so many ...

Recent studies have found vast amounts of water ice at or near the lunar surface. But the inside of the moon is bone dry, a new study finds. Subscribe to read this story ad-free Get unlimited access ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. On Jupiter’s moon ...

After years of debate, NASA researchers have zeroed in on the thickness of the Europa's ice shell. We first discovered that the Jupiter moon's surface looked icy in 1979, when Voyager 2 flew by.

The tough icy shell of Saturn's largest moon Titan is apparently far stronger than previously thought, researchers say. These surprising new findings add to hints Titan possesses an extraordinarily ...

Saturn’s “Death Star”-like moon Mimas may have a boiling ocean under its icy shell. The moon pitted with craters—including a very large one, giving it its nickname—may appear to be geologically dead, ...

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A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its subsurface ocean." When you purchase through links on our site, we may earn an ...