Planet watchers with a clear view to the west-southwest can find Venus and Mercury tonight through next week. Venus is much brighter and easier to see and located about five degrees (three fingers ...

OVER the course of a year, the sun traces a path in the sky. This invisible line, called the ecliptic, isn’t created by the sun moving, but instead by Earth travelling around the sun. The solar system ...

There’s a major planetary lineup coming to the early-morning sky, with the Moon joining in several times in June. First, though, let’s look at why such lineups occur. If you were to turn our solar ...

We’re getting a great gift in our skies this holiday season with three bright planets — Saturn, Jupiter and Mars — decorating our evening skies. We also have some nice celestial conjunctions, or what ...

Looking for a sky event this week? Check out our full Sky This Week column. April 16: Ganymede transits Jupiter New Moon occurs at 7:52 A.M. EDT, leaving the sky pristine all night and setting the ...

In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out in the morning while it’s still dark, just before astronomical twilight, look to the east, and try to see the ...