Scientists have identified a new "superionic" state of carbon and hydrogen that may exist deep inside Uranus and Neptune.

Neptune leans at a curious 28-degree angle—similar to Earth's, but long a mystery to scientists. Such tilts are typically the ...

The deep interiors of ice giants such as Uranus and Neptune may contain a previously unknown form of matter, based on new computational research by Carnegie scientists Cong Liu and Ronald Cohen.

Neptune is the solar system's most distant planet, a cold, blue ice giant sitting nearly 30 times further from the sun than Earth. At that remote distance, temperatures plunge to nearly minus 200 ...

What can sub-Neptunes, exoplanets whose sizes are between Earth and Neptune, and which are between the known for their water-rich compositions, teach astronomers about both where and how to find life ...

Scientists at the Rubin Observatory have identified nearly 11,000 asteroids, including hundreds beyond Neptune and 33 ...

The new Vera C. Rubin Observatory has already discovered over 11,000 asteroids in just weeks, revealing a faster way to map ...

Scientists have seen one of the mysterious “dark spots” on Neptune from Earth for the first ever time. Researchers spotted the feature using the European Southern Observatory’s Very Large Telescope, ...

Take the chance in September to get outside and gaze at planets. Neptune is in full opposition this month, and while Saturn's full opposition happened earlier this month, it's still visible if you ...