Astronomers have identified a small but significant possibility that a Neptune-sized planet is quietly orbiting within the ...

Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer than anything.

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these planets be called "rocky giants" instead.

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation and evolution of planetary systems." ...

As one of the slow-moving outer planets, Neptune drifts through each zodiac sign’s part of the sky at a languid pace, ...

Winds can reach up to 1,200 miles per hour on Neptune, the planet furthest from the Sun in our Solar System.

Among the most famous images taken by the Voyager spacecraft are those of Uranus and Neptune. When you think of these planets, you’re likely imagining them based on the images taken by Voyager 2 in ...

An enigmatic, cloud-enshrouded planet that has puzzled astronomers for years turns out to be less hot than expected – and surprisingly shiny. That's what the James Webb Space Telescope revealed when ...

Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right ...