Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...

What if our understanding of Uranus and Neptune's compositions have been wrong, specifically regarding their classifications ...

“We hoped to demonstrate that the mechanism we believe is acting in the gas giants Jupiter and Saturn can explain equatorial ...

Neptune, a gas giant with a bluish tint, roams the outer reaches of our Solar System, about 4.5 billion kilometers from the Sun. In its orbit, one mystery stands out, capturing the attention of ...

Neptune reached opposition at 9:00 A.M. EDT, rendering it visible throughout the night. Neptune, at magnitude 7.7, is not visible to the unaided eye but can be located 2.7° northeast of Saturn using ...

A planet's year length depends on its distance from the Sun. Planets closer to the Sun have shorter years. A planet's rotation speed is unrelated to its year length. Planets' orbital speeds vary ...

In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that’s a deep azure color. But in reality, Neptune is far more of a ...