“To find evidence of an ocean inside a small object like Miranda is incredibly surprising,” said Tom Nordheim, a planetary ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

Unlike Neptune, Uranus' poles present an insufficient amount of methane to form stable layers. This allows heat to rise more easily from the planet's interior, thereby encouraging the formation of ...

Over time, it dried out, leaving behind a layer of salt a mile thick ... alongside Neptune and Uranus. OLUSEYI: And here we have Saturn and Jupiter. Now, normally, these planets aren't lined ...

thunder crackling) GAO: The pressures and temperatures in the interior of Uranus are extreme ... NARRATOR: This massive ocean sits beneath a layer of water ice, which could be up to 15 miles ...

Uranus's upper atmosphere has been cooling for decades—and now scientists have shown why. Observations from Earth have shown ...

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When the Voyager 2 ...