Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar ...

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

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

For decades, Uranus and Neptune have carried the tidy label of “ice giants,” shorthand for worlds built mostly from frozen ...

Although they are technically gas giants, Uranus and Neptune are referred to as "ice giants" due to their composition.

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A planet’s opposition occurs when Earth passes between it ...

While Mercury is the innermost planet in the Solar System, on average it spends more time closer to Earth than Venus does.

Using ESO's Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune's atmosphere, with an unexpected smaller bright spot adjacent to it. This is the first time a dark spot ...

The presence of an enormous Neptune-sized exoplanet 90 light-years from Earth has been confirmed after it was first spotted in 2019. The study, published in The Astronomical Journal, confirms the ...