Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

The “planet parade” happening all week will enter its most photogenic phase on Tuesday, Aug. 19, as Mercury becomes more prominent and the moon wanes to a slim crescent. All this week, four planets ...

Did you miss the start of the planetary alignment last week? Well, don't worry, you'll still have a few more days to see it before the month is up. But this will be your last chance for the year.