Neptune, captured by the Voyager 2 spacecraft. A new study finds a link between the planet's cloud coverage and solar activity. NASA / JPL As the outermost planet in the solar system, Neptune is more ...

Neptune’s clouds have disappeared. Since the first detailed images of the planet were taken by the Voyager 2 spacecraft in 1989, its cerulean disc has been criss-crossed by wispy white clouds, but its ...

For years, scientists have been confused by the effect that solar eclipses have on clouds. Not all clouds, mind you. But, whenever a solar eclipse happens, and the sun is obscured even just 15 percent ...

A mix of sun and clouds remains over much of western Oregon and southwest Washington on Wednesday. An increase in sunshine ...