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 ...

Neptune is not as blue as you’ve been led to believe, and Uranus’s shifting colors are better explained, in new research. By Becky Ferreira Think of Uranus and Neptune, the solar system’s outermost ...

Call it the deep blue dot. For the first time, scientists have seen the visible color of a distant alien world. The exoplanet — called HD 189733b — is 63 light-years from Earth and a "deep cobalt blue ...

Blue Planet: Earth is known as the Blue Planet because of its bright blue appearance when viewed from space. This colour comes from the huge amount of water that covers around 71% of its surface in ...