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

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Beautiful photos of the six planets aligned in the night sky have emerged online. Mars, Jupiter, Uranus, Neptune, Venus and ...

The alignment of six planets – Mars, Jupiter, Uranus, Neptune, Saturn, and Venus – this month has sky photographers abuzz.

Sky watchers are in for a treat this month as the stars align to give amateurs a shot to see six planets at once.

The alignment of six planets - Venus, Mars, Jupiter, Saturn, Uranus, and Neptune - will be visible through to mid-February, ...

From west to east, Saturn, Venus, Neptune, Uranus, Jupiter and Mars will make an arc across Wyoming’s night sky in a parade ...

One lucky East Lancashire stargazer caught a glimpse of the rare celestial phenomenon - the planetary alignment.