New research claims that Neptune and Uranus may hold hidden oceans of water and other materials below their extreme ...

Despite being more massive than Uranus, Neptune has a smaller total diameter and thinner atmosphere compared to its icy ...

In 1986 and 1989, Voyager 2 made the final two stops on its grand tour of the outer solar system when it swept by Uranus and Neptune, respectively. Now, nearly 40 years later, the archive of data ...

When NASA's Voyager 2 spacecraft made its way to outer regions of the solar system in the late 80's, it noticed something odd. Both of the ice giant planets, Uranus and Neptune, lacked what's ...

It's commonly known that a day on Earth lasts for 24 hours, but the truth behind what determines the length of a day is actually a bit complicated.

One of Uranus's moons likely has an ocean while the composition of the planet itself is more bizarre than we knew ...

Dramatic theories have been proposed to explain the mysterious interiors of Uranus and Neptune, the ice giants of our solar ...

Researchers at the University of Texas have developed a computer model that can detect liquid water on the moons of Uranus by ...

In astronomy, what does retrograde mean? And what connection does it have to astrology? We explain how planets move across ...