Here's why:
* Faint Rings: Neptune does have rings, but they are very faint and thin compared to the prominent rings of Saturn. They are made of dust particles.
* Sometimes Farthest from the Sun: Neptune's orbit is slightly elliptical, meaning it's not perfectly circular. Because of this, it occasionally becomes slightly farther from the Sun than Pluto. However, Pluto's status as a dwarf planet means that Neptune is generally considered the eighth and farthest planet from the Sun.