Stargazers will be treated to a dazzling six-planet "alignment" this January.

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

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

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 ...

It's not especially remarkable for a few planets to line up in the sky, but the sight of four or five brilliant planets at once is less common, according to NASA. How does the ali ...

In the depth of winter, a sweeping view of our solar system will glow in the night sky. In total six planets will be visible, ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.