Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

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

They found that 98% of the thousands of sub-Neptunes they modeled, which are the most common type of exoplanet found so far, ...

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

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

On December 19, this interstellar visitor with its peculiar composition offers a glimpse into the makeup of celestial bodies ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

The 3I/ATLAS interstellar object, which a number of scientists consider to be potentially technological and likely to pose a ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...