"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research Center. "Saturn's are mostly ice, Jupiter's are mostly dust, and Uranus' and ...

Scientists focused on Jupiter's little moons Amalthea and Thebe. Their peculiar orbits didn't quite fit with Jupiter's ...

The study by Konstantin Batygin of Caltech and Fred Adams of the University of Michigan pulls off a rare feat in planetary ...

So which planets in our solar system have rings?All four giant planets — Jupiter, Saturn, Uranus and Neptune — sport these spectacular structures. Plus, many other objects in the solar system, ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...

That extended mission, which is slated to end in September 2025, also extends to Jupiter's rings and many moons ... active world in our solar system. And while Earth, of course, has plenty ...

Mars had rings in the past and it can happen again. It has been engaged in a tussle with one of its moon for billions of ...

The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and ...

Webb telescope uncovers fiery, fast-pulsing auroras on Jupiter, reshaping how scientists understand the planet’s magnetic storms.

NASA's James Webb telescope captured mysterious light on Jupiter that has left astronomers puzzled — nothing like it has ever ...

like Jupiter, with no solid surface. It is primarily composed of hydrogen and helium, making it one of the lightest planets relative to its size. Spectacular ring system: Saturn is best known for ...

Mars, engaged in a cosmic tug-of-war with its moon, is predicted to form rings again in the next 50 to 70 million years.