Mercury takes only 88 Earth days to orbit the sun.

You'll need high-powered binoculars or a telescope to see Neptune and Uranus. Saturn may be difficult to see since it will be ...

According to NASA, four to five planets being visible across the sky at the same time happens only once every few years.

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

21. Read more: Full Moons Explained, From Blue Moons to Supermoons to Lunar Phases You won't have to wait long for all six planets to be in the sky. They'll be there as soon as the sun sets.

Our solar system’s planets are set to align in a seven-strong planetary parade this week that will be visible in the UK night ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Look to the southwest sky after sunset on Saturday, as the sliver of a waxing crescent moon nears bright Venus with Saturn ...

By mid March the planets will begin to disband, some becoming hidden by the sun’s glare while others enter the early morning sky. It’s amazing to think that when you look up at these planets ...

SEVEN planets are set be visible from Scotland as they light up the night sky this month. Mercury, Venus, Mars, Saturn, Jupiter, Uranus and Neptune will appear in a rare full alignment. It will be ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative stages and played a critical role in planetary formation.