Stargazers will be treated to a dazzling six-planet "alignment" this January.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

Although the other giant planets in the Solar System have rings, too, they are nothing like Saturn's. Jupiter, Uranus, and Neptune are all banded by dainty, ethereal rings that can hardly be seen ...

led to Nasa launching the twin Voyager 1 and 2 spacecraft in 1977 on a "Grand Tour" of the outer Solar System. Voyager 1 flew past Jupiter in 1979 and Saturn in 1980, eschewing Uranus and Neptune ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched ...