Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Humanity’s first close-up images from Neptune came 34 years ago from NASA’s Voyager 2 spacecraft. The images shows bright cirrus clouds high in its atmosphere above most of its methane.

Voyager 2 got within 50,600 miles of Uranus during its flyby. This photograph of Neptune was taken at a range of 4.4 million miles on August 20, 1989, 4 days and 20 hours before closest approach.

Voyager 2 is the only spacecraft to have visited both Uranus and Neptune, providing humanity with unprecedented images and data on these distant ice giants. Its journey through interstellar space ...

The perception of Neptune as much darker and bluer than Uranus was "cemented" when pictures were sent back by the Voyager 2 probe after it flew by the two planets in 1986 and 1989, said The Times.

NASA discovers something on Neptune and Uranus: "There are more than 5000" The ice giants of the solar system have long been ...

Since then, the planet has only been visited once by spacecraft when, in 1989, Voyager 2 completed its 'Grand Tour' of our solar system's outermost planets. It took this image of Neptune and its moon ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

After leaving Earth behind, Voyager 2 embarked on what NASA termed the "Grand Tour," visiting Jupiter, Saturn, Uranus, and Neptune. It continued outward, becoming the second mission to leave the ...

Witness a rare celestial spectacle! Seven planets, including Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, will ...