New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

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

Orbiting in reverse around Neptune, Triton is a cosmic rebel with a secret past. This video dives into the evidence that suggests this giant moon was not born around the blue planet but was violently ...

Screaming winds of infernal violence alternate with periods of dead calm as one nears the surface of Uranus, according to a new analysis of the gas giant. The turbulent weather patterns on gaseous ...

Point a laser at the planet Neptune tonight and it'll take 4 hours for the beam to arrive. For light itself, the fastest thing in the universe, to need so much time to get there, you'd guess the ...

Aug. 11 (UPI) --Thanks to a new computer model, planetary scientists now have a better idea of the types of chemicals hiding beneath Neptune's icy surface. Often, scientists attempt to replicate ...

A mysterious spot has appeared on the surface of Neptune (Picture: PA) A mysterious dark spot on Neptune has been detected from Earth for the first time – but astronomers don’t know what it is. Using ...