SpaceWeird orbits hint 'Planet Ten' might lurk at solar system edge Astronomers studying icy objects in a distant region called the Kuiper belt say an unconfirmed planet with similar mass to Mars could be responsible for tugging them out of alignment ¿ìè¶ÌÊÓÆµ
SpaceSaturn’s moons could reassemble after a cosmic smash-up Any surviving debris from a collision would forge a new patchwork moon – so that’s not how Saturn got its rings ¿ìè¶ÌÊÓÆµ