Scientists have discovered 12 previously unknown moons orbiting Jupiter, and one of them is a real oddball. While hunting for the proposed Planet Nine, a massive planet that some believe could lie ...

(CNN) -- The discovery of 20 previously unknown moons around Saturn has helped the ring planet surpass all others in our solar system, according to the International Astronomical Union's Minor Planet ...

Aristos is a Newsweek science and health reporter with the London, U.K., bureau. He is particularly focused on archaeology and paleontology, although he has covered a wide variety of topics ranging ...

(CNN) -- The discovery of 20 previously unknown moons around Saturn has helped the ring planet surpass all others in our solar system, according to the International Astronomical Union's Minor Planet ...