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

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Sci-fi planets like Dune's Arrakis and Star Wars' Tatooine might look cool, but according to NASA they're more fiction than ...

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

Starting Monday, Feb. 3, the day after Groundhog Day, you should be able to see another planetary parade in the night sky, this time joined by the crescent moon. Mars, Jupiter, Uranus, Venus, Neptune ...

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will appear just above the crescent moon. On the third day of the month, ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

In February, six planets will align in the night sky — Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars — and be mostly visible to the naked eye. We find out how to see and more about this ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

Heads up! Four planets are visible in the evening sky this month, and another two planets can be found with a little help.

Starting up again Saturday, a sweeping view of our solar system will glow in the night sky. The planetary alignment, or a ...