Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

(Ianm35/iStock/Getty Images Plus) The Solar System is one of the comforting constants of human existence. No matter what else ...

Solid diamonds may be forming and falling like rain deep inside Neptune and Uranus, where pressures exceed 19 gigapascals and ...

Jupiter, Saturn, Uranus and Neptune did not always have their current positions in the solar system. According to the ...

New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.

Scientists have discovered two new rings around Uranus, including one composed of water ice, adding to our understanding of ...

A day on Uranus just got slightly longer, thanks to more accurate measurements of its rotation period that should help scientists plan missions to probe the gas giant. Figuring out the rotation period ...

When Voyager 2 made its historic flyby of Uranus in 1986, the spacecraft captured the best data humanity had gathered on the giant planet up to that point. But as scientists become better at analyzing ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer than anything. A study by the lead researchers astrophysicists Luca Morf ...

Ancient Greek astronomers likely observed Uranus as a star, but limited tools and geocentric views kept them from recognizing ...