Neptune

Neptune, the other blue planet, is the eighth planet in our solar system. Neptune is an ice giant.

Related Topics: Uranus, Saturn, Pluto, We Don't Planet 

Latest Updates

The planet Neptune shines a serene blue in this image assembled from two photos by NASA's Voyager 2 probe during its historic flyby of the planet in August 1989. Neptune reaches an orbital milestone called opposition in the night sky on Aug. 29, 2014.

Neptune and 'Dodgeball' Asteroid Star in Webcasts Tonight: Watch Live

By Mike Wall published

Galileo's Sketch of Jupiter's Moons, Dec. 27/28, 1612

Cosmic Quest: Who Really Discovered Neptune?

By Geoff Gaherty published

Voyager 2 Image of Neptune

A New World: NASA Recalls Voyager 2 Probe's 1989 Neptune Encounter

By Mike Wall published

New Horizons at Pluto: Artist's Concept

On to Pluto! NASA Spacecraft Now Beyond Neptune's Orbit (Photos)

By Mike Wall published

Neptune's moon Triton is seen in new detail in this still from a NASA animation showing the best map yet of the moon using data from the Voyager 2 spacecraft collected during a flyby on Aug. 25, 1989.

NASA Unveils Best Map Ever of Neptune's Moon Triton (Images, Video)

By Mike Wall published

Jupiter (WFC3/UVIS, April 21, 2014)

Jupiter's Great Red Spot Shrinks to Smallest Size Ever Seen (Video, Photos)

By Elizabeth Howell published

Jupiter's Great Red Spot — the most powerful storm in the solar system — is at its smallest observed size yet, and scientists aren't sure why.

space history, nasa, voyager

Space History Photo: Voyager 2 Launch

By NASA Archives published

Voyager 2, arriving at Jupiter four months after Voyager 1, was actually launched 16 days before its mate.

Comet Smacked Neptune 200 Years Ago, Data Suggests

Photos of Neptune, The Mysterious Blue Planet

By Space.com Staff published

See amazing photos of the planet Neptune, eighth planet from the sun.

Neptune Reaches Opposition in August 2013

Neptune Shines Best in Telescopes Now: See It Online Tonight

By Geoff Gaherty published

Earth formation location diagrams

Newborn Star's 'Snow Line' Reveals Clues About Planet Formation

By Nola Taylor Tillman published

Infographic: Facts about Neptune's fourteen moons.

Moons of Neptune: Giant Blue Planet's 14 Satellites Unmasked (Infographic)

By Karl Tate published

First Transiting Planets in Star Cluster Discovered Space Wallpaper

Mini Neptunes | Space Wallpaper

By Space.com Staff published

In the star cluster NGC 6811, astronomers have found two planets smaller than Neptune orbiting Sun-like stars, as seen in this space wallpaper.

Newfound 'Super-Venus' Kepler-69c

Hunting for Alien Worlds (Part 7): Moving Future Missions Forward

By Astrobiology Magazine Staff published

Exoplanet experts answer questions about missions to discover and probe alien worlds.

Next-Generation Transit Survey to Hunt Exoplanets on the Cheap

New Survey Will Hunt for Nearby Alien Planets on the Cheap

By Gemma Lavender published

The Next-Generation Transit Survey is being assembled for around $3 million.

New York City as seen through Mercury's atmosphere

Alien Big Apple: Artist Envisions NYC on Other Planets

By Mike Wall published

The project showcases the diversity of worlds in our solar system.

New York City as seen through Mercury's atmosphere

How NYC Would Look on Other Planets (Gallery)

By Mike Wall published

The iconic city as seen through other planets' air.

Infographic: unmanned Voyager 1 and 2 probes visited the outer planets of the solar system and are approaching the edge of our solar system.

How the Voyager Space Probes Work (Infographic)

By Karl Tate published

NASA's Voyager 1 and 2 probes launched in 1977 to visit the outer planets of the solar system.

NASA's Voyager 1 spacecraft has entered a new region between our solar system and interstellar space, which scientists are calling the stagnation region.

At the Solar System's Edge: Q&A with Voyager Chief Scientist Ed Stone

By Mike Wall published

The Voyager mission's project scientist talks about what it will mean to leave the solar system.

Infographic: Probably all sun-like stars have planets, and one in six has a planet the size of Earth.

17 Billion Earths of the Milky Way Explained (Infographic)

By Karl Tate published

Practically all sun-like stars have planets, and one in six has a planet the size of Earth, scientists say.

Comet Smacked Neptune 200 Years Ago, Data Suggests

Neptune Quiz: How Well Do You Know the Other Blue Planet?

By Space.com Staff published

How much do you know about the far-flung ice giant?