The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.

The solar system's oddball planet has some pretty odd moons, too. The first infrared spectra of Uranus's small inner moons, ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

To date, the Voyager 2 probe has provided the only direct measurements of the radiation environment at Uranus. This led to ...

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

New research shows Uranus’ fierce radiation belts were a short-lived blast from a solar storm, reshaping what Voyager 2 ...

Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

Forty years ago, Voyager imaged Uranus and presented the world with a new mystery. Upon further inspection, it may have just ...

The two outermost planets in the solar system are generally considered ice giants, yet we know little about their interiors.