The ice giant Neptune is the farthest planet from our sun and takes around 165 Earth years to complete its orbit. Learn all about this cold, blue planet with Live Science's specialist Neptune coverage. From why there's something strange going on inside Neptune to how scientists probed Neptune's weird, alien waters to the likelihood of "diamond rain" on Uranus and Neptune to images of the ghostly rings of Neptune, our expert writers and editors break down the biggest discoveries made about this distant planet with the latest Neptune news, features and articles.
