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.
Discover more about Neptune
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Space photo of the week: 1st-ever close-up of Neptune is Voyager 2's final portrait of a planetVoyager 2, NASA's longest-running mission, explored Neptune during a historic encounter on Aug. 25, 1989, sending back humanity's first close-ups of the planet.
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Neptune keeps growing enormous dark and bright spots, and scientists don't know whyScientists are still in the dark about what is causing a huge shadowy patch to appear against the blue background of Neptune’s sky.
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All of Neptune's clouds have mysteriously disappeared, and the sun may be to blameThe disappearance of the gas giant's clouds is tied to the sun's 11-year cycle.
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Ghostly rings of Neptune shine in new James Webb Telescope imagesThe James Webb Space Telescope zooms in on Neptune to reveal the icy planet's collection of little-known rings
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Neptune: The farthest planet from our sunNeptune is the farthest planet from the sun in our solar system and home to blistering winds and diamond rain.
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Astronomers perplexed by plummeting temperatures in Neptune's atmosphereA surprising new study has revealed that atmospheric temperatures in Neptune's southern hemisphere have decreased in the past 17 years, despite the region entering its summer.
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'Diamond rain' on Uranus and Neptune seems likelyHiding beneath the outer layers of some planets, there may be something spectacular: a constant rain of diamonds.
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Scientists probe the weird, alien water inside of Uranus and NeptuneResearchers are investigating an alien version of water inside the strange, icy interiors of Uranus and Neptune.
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Neptune's Wobbling Moons Are Locked in a Never-Before-Seen Orbital DanceStanding on one moon, you'd see the other pass overhead twice before ducking around to pass on the other side.
