Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.

This week, sky-watchers will have the opportunity to witness a rare planetary alignment as several planets line up in the sky ...

This February, stargazers and astronomy enthusiasts are in for a treat. Mark your calendars, February 28, when a stunning ...

Before then, Mercury and Saturn will meet in the evening sky in a rare close encounter, in an astronomical phenomenon known ...

Mercury has a rocky surface when, facing the sun, can reach highs of 800 degrees while overnight lows could reach minus 290 ...

Usually, equipment affords the space enthusiast a view of special celestial events. This week, however, one’s eyes will do. At sundown on February 28th, Mercury, Venus, Mars, Jupiter, Saturn, Neptune, ...

While all seven planets could appear in some form in parts of the U.S., not all of them will be visible to the naked eye.

While all seven planets could appear in some form in parts of the U.S., not all of them will be visible to the naked eye. Here's what to know.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...