Earth's oceans are mysterious, largely unexplored places, but the enormous oceans of Neptune and Uranus have them beat.

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

NASA has rekindled interest in Uranus and Neptune by revealing a ground-breaking discovery regarding the two ice giants. Scientists have discovered thousands of distinct objects in the furthest ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to ...

The ice giants of the solar system have long been enigmas for science: Uranus and Neptune. Their beautiful blue-green colors hide under fat layers of thick atmosphere, where mysteries abound. But now, ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Spotting one or two of the planets in our solar system is well worth a good skywatch, but seeing (almost) all of them in a ...