The outermost ring of the planet Uranus turns out to have a bright blue color, according to a report in the April 7 issue of the journal Science. That makes it only the second blue ring to be found in ...

The two faintest outer rings of Uranus look nothing alike, and that mismatch is pushing planetary scientists toward a provocative conclusion: unseen moons may be hiding inside the bands, feeding them ...

Image: The dashed line indicates the position of the innermost of two new rings discovered recently by the Hubble Space Telescope and confirmed by ground based observations with the Keck II Telescope ...

Strange things are happening to the rings of Uranus, that little blue planet way out there in the solar system. It has rings and moons, and once every 42 years, the planet's tilted angle lets ...

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Ah Neptune. Why? So blue new evidence has revealed *** colorful controversy involving *** pair of comparable planets. And that's not all this is *** look at the planet's Uranus and Neptune looking ...