Mercury will reach its greatest eastern elongation, marking the point where it is farthest from the Sun in the evening sky.

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

When the Sun hits the rims of the Blanchinus, La Caille, and Purbach craters at just the right angles during the Moon's cycle ...

Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

Mercury begins a rapid plunge toward the setting sun. By early July, Mercury is lost in the glare of the sunset. By late July, Mars begins to sink into the ...

Look east before sunrise on Saturday to catch bright Venus and the Pleiades star cluster in a beautiful early-morning ...