Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

A new analysis of decades' worth of observations has revealed that Uranus does indeed emit more heat than it receives from ...

Researchers from the University of Houston, led by Dr. Xinyue Wang, launched a deep probe of Uranus’ data — and determined ...

However, at Neptune’s surface, the gravity is only about 1.1 times the gravity we experience on Earth. In other words, if ...

Uranus does have an internal heat source like its planetary siblings, which may have led scientists to misinterpret the data ...

It's been almost 40 years since Voyager 2 flew past Uranus, but its readings from that whistlestop flyby have remained some ...

The discovery challenges findings made by Voyager 2, which collected data suggesting Uranus, unlike other giant planets in ...

Voyager 2, NASA's longest-running mission, explored Neptune during a historic encounter on Aug. 25, 1989, sending back humanity's first close-ups of the planet.

These NASA images of Uranus (left) and Neptune were taken by the Voyager 2 spacecraft, with models of the planets' interior structures seen in the inset.

When Voyager 2 flew by Uranus and Neptune 40 years ago, ... Planets about the size of Uranus and Neptune -- so-called sub-Neptune planets -- are among the most common exoplanets discovered to date.

But scientists now say that Uranus is actually warmed from the inside, according to a study published in Geophysical Research ...

Hints of auroras were first faintly detected in ultraviolet light during a flyby of the Voyager 2 spacecraft in 1989. Webb captured Neptune's shimmering lights in infrared light, providing direct ...