Shortly after September 20 begins in the Eastern time zone, Saturn's moon Titan transits the ringed world alongside its shadow - the second-to-last shadow transit we will see for more than a decade.

Most Europeans will adjust their clocks on Oct. 29 to “fall back” an hour, and most Americans will do the same on Nov. 5. But Europe and the United States are more the exception than the rule. Most ...

Don’t you wish those long summer days could last forever? An island in northern Norway is campaigning to do just that. With the Northern Hemisphere’s summer solstice just around the corner on June 21, ...