Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all.

Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

Spoiler warning: Below there will be information about today's New York Times Strands puzzle.

The evening planets are much easier to see: Always bright and reliable Jupiter remains prominent for the first half of night ... Northern Hemisphere, it's an excellent one in the Southern ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere ... close to the bright star Regulus ...

Since 1986 I have had an affiliation with the Hayden Planetarium in New York. My "official" title there is "Associate and Guest Lecturer." Indeed, through all of these years I given scores of ...