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

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

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

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.

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.

In 1986 and 1989, Voyager 2 made the final two stops on its grand tour of the outer solar system when it swept by Uranus and Neptune, respectively. Now, nearly 40 years later, the archive of data ...

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 1 flew past Jupiter in 1979 and Saturn in 1980, eschewing Uranus and Neptune because scientists wanted to fly past ...

This January and February, a rare planetary alignment featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will be ...