While we perceive the Sun as yellow, its actual colour is white. This is because our atmosphere scatters the shorter, blue ...

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...

In fact, says Millard ... Getty Images The different orbital speeds of the planets in our Solar System means several of them can occasionally line up in the same part of the sky at the same ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds ... That sobering fact shouldn't dampen ...

Seven planets grace the sky at the end of February in what’s known as a planetary parade, though some will be difficult to ...

All seven planets are going to line up in the night sky on Friday in a rare planetary parade that will not be repeated for ...