OUTER PLANETS
Uranus and Neptune may be rock rich worlds
Zurich, Switzerland (SPX) Dec 11, 2025
The Solar System is often divided into four inner rocky planets, two gas giants, and two ice giants thought to be dominated by water and other volatiles, but new work from the University of Zurich s ... more
SwRI links Uranus radiation belt mystery to solar storm driven waves
Los Angeles CA (SPX) Dec 08, 2025
SwRI scientists report that a reanalysis of Voyager 2 measurements suggests a powerful solar storm may explain why Uranus hosts an electron radiation belt far more intense than expected. They propos ... more
Looking inside icy moons
Davis, CA (SPX) Dec 01, 2025
The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky c ... more