Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of seven planets—for the last time until the year 2036. Six of the planets—Venus, ...

Fresh off the excitement of the Perseids meteor shower is a chance to see six planets lined up in the sky at once. These events, colloquially known as planet parades, occur occasionally with the most ...