Six planets are above the horizon this weekend — but only two are obvious to the naked eye. Here’s what you’ll really see ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

For those who enjoy viewing the night sky, a unique opportunity is just around the corner late this month.

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

The outer solar system begins where sunlight fades and distances stretch beyond everyday comprehension. This journey traces ...

The interiors of Uranus and Neptune may be rockier than scientists previously thought, a new computational model suggests — challenging the idea that the planets should be called "ice giants." The new ...

Uranus and Neptune may soon lose their reputation as the "boring" planets of the solar system. Long overshadowed by the grandeur of Jupiter and Saturn, scientists now believe that beneath their thick, ...

The planets in the Solar System are typically divided into three categories based on their composition: the four terrestrial rocky planets (Mercury, Venus, Earth and Mars), followed by the two gas ...