For decades, astronomers have debated the mystery at the heart of Jupiter, the largest planet in our solar system. Many believed that a colossal collision with an early planetary body must have ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

Now, a study led by SETI Institute scientist Matija Ćuk proposes an explanation linking the formation of the moons and rings, centering on the possibility that Titan is the product of a moon merger.

Scientists suggest Titan formed from a giant moon collision that also may explain Saturn’s rings and strange moon orbits.