Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The moon and Saturn will be visible in the eastern sky in the early hours of June 19, with dimmed ...

Scientists may have missed the mark when they started referring to Uranus and Neptune as the "ice giant" planets of the solar system decades ago. Like giving a certain short-armed dinosaur a name that ...

It's a bit mind-boggling to imagine something as big as the planet Neptune crashing into a similar-sized planet, but astronomers caught this exact scenario, as described in a recent study in the ...

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

The ice-giant Neptune, the most distant and third largest planet in our solar system, is a distinctive dark blue ball of gas, which may appear calm but is actually throttled by a chaotic atmosphere.

Giant planets like Uranus and Neptune may contain much less free hydrogen than previously assumed. Researchers from the German Helmholtz-Zentrum Dresden-Rossendorf (HZDR) drove shock waves through two ...

Images taken by the Hubble Space Telescope document the formation of a Great Dark Spot on Neptune for the first time, report researchers in a new study. Like Jupiter’s Great Red Spot, Neptune’s Great ...

Lick Observatory’s Automated Planet Finder (above) and Shane Telescope (below) were used in the California Legacy Survey to conduct an exoplanet census. (Photos by Laurie Hatch) In the neighborhood ...