On Wednesday, June 17, skywatchers across the United States (and most of Canada) are in for a treat with a rare daytime lunar occultation of Venus.

The historic transit of Venus across the sun Tuesday is a must-see for skywatchers, but observers shouldn't overlook another celestial event that comes just one day earlier — a partial lunar eclipse ...

Total solar eclipses—when the moon completely blocks the sun—are predictable, inevitable and certain to happen precisely on time. However, you can watch them build. This week it’s possible to observe ...

The event, not seen in the U.S. for 11 years, will occur about 4:00 p.m. EDT on the U.S. East coast and 11:40 a.m. PDT on the West Coast, but requires care to see.

Look up, because Venus is playing hide-and-seek with the moon! On Wednesday, June 17, skywatchers across the United States (and most of Canada) are in for a treat. The cosmos is giving us front-row ...