The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the same disc of debris around the sun.

The morning sky boasts the two brightest planets. Jupiter rises soon after midnight and is well up in the south-southeast sky ...

Q: Why do the planets all orbit the Sun in the same plane? —Randi Eldevik | Stillwater, Oklahoma Because of the way the Sun formed, explains David DeVorkin, a senior curator in the space history ...

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t just trivia—it tells a story about temperature, ...

See a rare alignment of all the planets in the night sky The celestial show, best viewed between June 17 and June 27, will be the last time the five brightest planets cluster in the sky until 2040.

The planets, sun and moon have significant meaning in astrology. Here's everything to know, including how they affect your daily life.