Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer planets of our solar system. Collectively, since their launch in 1977, the ...

After an elusive period of introspection, Neptune finally stations direct in Pisces on Dec. 7, bringing a wave of intuitive insight as it clears away the haze of confusion. In astrology ...

An exploded view of an ice giant planet such as Uranus or Neptune. A new theory proposes that below the dense atmosphere lies a water-rich layer (blue) that has separated from a deeper layer of hot, ...

A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ever found, the planet could reveal clues as to how planets such as these ...

By Jonathan O’Callaghan Jonathan O’Callaghan previously reported on how Uranus and Neptune got their colors, and a new understanding of Uranus’s magnetosphere. We might finally understand ...