For comparison, our moon is just a quarter of the size of Earth, while the largest moon in the solar system, Ganymede, is around 1/28 the size of its parent planet, Jupiter.

Saturn’s moon Titan has always stood out among the celestial bodies in our solar system. It is the only moon with a thick, hazy atmosphere, and it's often compared to a primitive Earth. But now ...

Scientists have performed laboratory experiments to better understand how Saturn's moon Titan can maintain its unique nitrogen-rich atmosphere. Titan is the second largest moon in our solar system ...