Look up in Michigan's night sky later this month to catch a rare seven-planet parade. The planets will appear to line up in the sky as they orbit the sun, known as a planetary alignment or planet ...

Derived from the Greek words peri (around) and helios (sun), the ... way beyond the orbit of Neptune, then zip past the sun before disappearing again for centuries. Due to their irregular shapes ...

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

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through to February.

Neptune and Uranus will be there, too, but they won't be shining brightly like the others. Planets, including Earth, orbit around the sun in a line called the ecliptic. But what we see in the night ...